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38+ years Los Angeles polygraph experience :: was $395 now $145 Polygraph Tests  
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Los Angeles' most affordable polygraph testing!    
More than 38 years experience
• Instant 4-page written reports •
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by a world-renowned examiner:
TV's 'Lie Detector Guy'!

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IMMEDIATE RESULTS

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Some ask "Can I watch the test?".
Read a bit below for the answer!



We are THE Gold Standard
in private polygraph testing,
thanks to:
1. Testing since 1988
2. More than 13,000 completed exams
3. Lowering the price to make it more
affordable to more persons and couples

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We explain everything about the test before testing.

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The choice of TV shows nationwide!

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For $145, you can be tested by the
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When high accuracy is needed
due to millions of viewers--
or for your own personal matter

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when you need to impress
someone with the truth.

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If you have teenage kids, we also do the
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WE ARE THE
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GOLD STANDARD
OF POLYGRAPH

Relationship
Law enforcement
applicants
Theft
Abuse
Immigration
and much more
since 1988
When complete
distraction-free
testing is needed,
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An old ad block:
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See this polygraph secret from real polygraph clients:


"We wrote this to show why you are
the best polygraph guy in Los Angeles!"
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"People should only use a polygraph
place that allows you to watch the screen"




This polygraph explanation video

shows you what to expect!

38th year in 2025!

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3 QUICK WAYS TO
CONTACT US ABOUT
A POLYGRAPH TEST
IN THE
LOS ANGELES AREA!

You can
click to CALL
818 883-6969

or click here to
text for a polygraph test
send us a TEXT

or click here
to send us
an E-MAIL

But there is still much
more information below!





NOT REQUIRED
AT THIS TIME!
(Polygraph testing
testing during a
pandemic or
even a flu season!)

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Tip: if it turns out
that your part-time
examiner rents an
office by the hour
to do his occasional
tests or is 'mobile',
then there is no
way it complies
with all the first
6 above-- or with
all of the others.

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As seen on more than a billion social media views

-- YouTube -- Instagram -- TikTok -- SnapChat -- and more!

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Results immediately

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No other examiner had the sense to lower their price
from $400 down to only $145 to help the public.
Plus-- we have been testing for more than 38 years.

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Do the math:
Best price + most experienced = The Best Choice!

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Open to the public
See the coronavirus polygraph guidelines listed about a foot above

$145 for a lie detector test
in Los Angeles at our
Los Angeles County Office

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Reasonable rates in many other cities
Keep reading: price secrets below!

 

polygraph expert John Grogan


 Need a certified polygraph examiner in Los Angeles or San Fernando Valley?  Polygraph lowest price
Certified $145 Accredited Polygraph Examinations
by Certified Polygraph Examiners: 38+ years experience

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Both male and female polygraph examiners

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THE SECRET:
By lowering our price from $395
down to $145 for the same complete test
in the Los Angeles polygraph area,
we made lie-detector tests affordable for more people.
Other Examiners could do it too and still
make a good living, but they are still charging
the old high pre-recession prices.
And we can still include a FREE
practice polygraph test chart collection!


Here is a VERY short video

about how a polygraph test works.

Oversimplified, but to-the-point.

LOS ANGELES POLYGRAPH SOCIAL MEDIA
cost of a polygraph test in Los Angeles
You can visit John's polygraph social media--
a link to them is down below at the bottom

learn these polygraph Los Angeles secrets for clients

what some Los Angeles polygraph offices dont want you to know
Read this before hiring an examiner!
Los Angeles polygraph secrets
Many as you scroll down and read.
Sharing these secrets bring us
hundreds of thank- you's every year,
and it makes other examiners mad!


(Many clients ask:)
"Can I watch the test?"
Monitor a Los Angeles polygraph

If an examiner can NOT arrange
monitoring, RUN AWAY FAST!



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For a lie detector test in Los Angeles area


When needed, we can provide
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polygraph Los Angeles secrets for clients
Polygraph Client Secret #1:
a. Never test at home, and b. RUN if you are
to be tested at a 'rent-by-the-hour' office!
know the secret about Los Angeles polygraph locations
Part-timers (amateurs) don't have an office.

More 'secrets for polygraph clients'
can be found as you scroll down below.



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It's that TV polygraph guy--
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only $145 in the Los Angeles area!

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More than 38 years
experience in 2025!
More than 13,000 tests completed
The very best price in California

Sometimes when a couple
can't get past a trust issue,
therapist recommend polygraph
their therapist sends them
to us for a polygraph test.


WOW!
Use the same technology the government
spends millions of dollars per year on
to instead help you solve your concerns!

You probably didn't know these things:

1. The FBI gives a polygraph test to every single person
who's considered for a job there.

2. When the DEA, CIA, and other agencies are taken into account,
about 70,000 people a year submit to polygraphs JUST for one topic:
seeking security clearances and jobs with the federal government.

---In most cities and counties, a person cannot become
a law enforcement officer without first passing a polygraph test.

---Polygraphs are also regularly used by law
enforcement when interrogating suspects. 

---In some places, polygraph is used to monitor
the activities of sex offenders on probation.

---Some judges permit pleas bargains that hinge
on the results of defendants' polygraph tests.

So, if you think your person is lying or stealing,
YOU have access to the exact same polygraph
equipment used by police and Federal agencies.


Yes, with the TV Polygraph test in Los Angeles for $145 polygraph guy!

. . . who has tested more
than 13.000 persons


We GUARANTEE
your confidentiality!
confidential polygraph test
NOTE: Our confidentiality agreement with our
clients is in writing at the bottom of this page.

And in most case, no names are required.


From the OXYGEN Channel
mini-series about a disputed
death in San Diego County:

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Expert polygraph examiner
shows that the police polygraph
examiner gave the WRONG results
(as did other forensic experts show
on other parts of the investigation!)

YOU can use the same polygraph
examiner used by the major TV
studios: $145 for a complete test



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Apply ONE of these 5% discounts if it currently applies to you.


truth about polygraph testing
Polygraph Client Secret #2:
On the phone, some examiners greatly
exaggerate how long your test 'might'
take so that you don't dispute their price.
how long does a polygraph test really take
The actual 'testing portion'
(when you are answering Yes or No
questions with your arm squeezed
by a medical blood pressure cuff)
is only just 15 minutes:
everything else is just talk.
Take an hour at home to think about
and improve your questions; that
saves an hour at the polygraph office
(but is still part of how long the test took).

More 'secrets for polygraph clients'
can be found as you scroll down below.


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Every day, we hear that yet again,
a polygraph examiner lied to a caller.

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Film studios use us for our
high accuracy, because:
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millions of people
will see the results.

And the special price
for the public is $145!

Our tests have been used for civil, criminal and military court matters!
choose a polygraph examiner

Do you want important testing done by a
guy whose office is the trunk of his car? NO!

Do you want important testing in an office
where a guy recently rented a room and
dragged in a cheap desk and a can of pencils
and has had little REAL experience? NO!

Instead, you want testing in an office with
38 years of polygraph experience behind it!

Get testing in an office you've
seen on TV and in other media.

Use a full-time examiner,
with more than 13,000 completed exams,
not a hobby or part-time venture.

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Example of a testing corner in
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Polygraph Client Secret #3:
Only a fool would pay a deposit
to make a polygraph appointment.
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Pay ONLY when you are at the
examiner's office: no 'deposit'.

More 'secrets for polygraph clients'
can be found as you scroll below.



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Special bonus: a 5%-off discount code is below!

Affordable $145 Certified Polygraph Examinations,
Training and Lectures Nationwide since the 1980s

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All testing is available to the public 7-days.
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Many ask:
"How do I prepare for a polygraph examination?"


polygraph test preparation

Here's the main preparation steps:

1. Put thought into up to 4 questions
you would like to know the truth on.

2. Those questions should be
--Yes or No answerable
--3 to 19 words each question works best
--Don't use soft-words like 'sleep with' if you mean sex
--Don't include the words 'and' or 'or', or any commas

3. Make sure that the person taking the
test is not dehydrated; water should be consumed
in the two hours before the test
(not coffee, not soda-- water works the best)


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We also do the testing for steroids
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Verbal results IMMEDIATELY
YOU choose: 4-page written reports can be available same-day
OR
You can quietly watch the exam

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 Call 818 883-6969 for more information
or for an appointment

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But keep reading:
some special polygraph price secrets are shared below!

And see some polygraph test options in Los Angeles that are also available.

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From happy clients (Federal probation officers):
"After his release from Federal prison for online sex crimes,
our interview got nothing from him--
then that day you got several new sex-crime admissions from our person!"

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We do the serious TV shows, and also the fun ones:
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Our testings have been used in local, state and Federal court matters!

How it  How a polygraph test works works!

A polygraph test measures microscopic changes at four points
of the body as a series of Yes or No questions is answered.

A client can usually write up to
4 questions to be used for the test.

Questions should be 3 to 19
words long each to work best,
with no 'ands', no 'ors', no 'commas'.

Nervousness does not affect test results.

After the questions are developed and discussed,
and testing explained, the examinee is 'polygraphed'
(arm squeezed with a blood-pressure cuff, sitting still,
answering the questions) for three 5-minute periods.

For transparency and integrity, an examiner should
be equipped to allow the client to quietly monitor
the exam as it occurs, by CCTV or other method.


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(A YouTube Channel polygraph viral video record)
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The fastest viral polygraph video in the world!
More than a million views in the first 8 hours;
more than two million views in the first 24 hours;
more than three million views in the first 48 hours;
more than four million views in the first week;
then later it hit TWENTY million views!
then it hit TWENTY-ONE million (21,000,000) views!

Keep reading below if you'd like to click to see the video.
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From a happy client (a mother/lawyer):
"I immediately called you after an anxious woman competitor of yours
bad-mouthed you and asked me that I not call you instead of paying her more.
Your results were accurate, I got to watch the testing,
we got a confession and I am extremely satified! I will be referring many others to you."

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Most tests are $145 at our location.
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But for an additional fee,
we can come to you for a mobile polygraph test.

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A recent client said:
 "Other examiners told me they charge a
lot more because they do more of a test.
That was a lie. I had my girlfriend tested
at three polygraph places. You all gave
her the same scores. But only you let me
watch the test. And you were half the price!"

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If you request,   Confidential polygraph test in Los Angeles   no names are needed.


Another YouTube Channel polygraph video that went viral!
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Despite four days of practice and preparation,
the person could NOT fool the polygraph!
(It quickly got TEN MILLION VIEWS:
a link to this video is below)

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Our tests have actually been used in court.

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We do TV shows polygraph test for teen and youth for young people too!

From a happy client (a wife/nurse):
 "Despite my suspicion, my husband swore no sex with anyone else happened during our marriage.
I saw your computer show that there was no way he was telling the truth.
He stormed out swearing that he was not lying. Yet that night, he admitted to (****) 7 times
with an other woman, and 1 time of (++++) with another woman, all during our marriage.
Marriage being repaired, thank you so much!"

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YOUR POLYGRAPH CONSUMER WARNING AND ALERT #1:
Click HERE to learn the equipment secret that
TWO polygraph examiners badly do NOT want you to know!

YOUR POLYGRAPH CONSUMER WARNING AND ALERT #2:
Click HERE to learn the bribe secret that
FIVE polygraph examiners badly do NOT want you to know!

 YOUR POLYGRAPH CONSUMER WARNING AND ALERT #3:
Click HERE to learn price, time, report, & location secrets that
ELEVEN polygraph examiners badly do NOT want you to know!

We can test before you form a partnership or make a large investment.
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We put up this information block many many years ago
use the best polygraph examiner
and it still makes other examiners mad!


A recent client said:
"Your polygraph report was used today as evidence in
my (US armed service) administrative separation board.
After failing a 'pee test', I had to prove that I did not
knowingly use any drug or I would be kicked out.
My JAG attorney had only your report to help me.
It was accepted as evidence, and I was cleared. Thank you."


free discussion about Los Angeles polygraph details
818 883-6969


By lowering our price down from $395 to $145,
we made lie-detector tests affordable for more people.
Others could do it too, but they are still charging the old pre-recession prices!
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One reality TV show can't use us for their on-air polygraph testing--
because we do their real-life polygraph tests for their family!


Techniques used are approved by American Polygraph Association,
PEOA, Federal Training, ASTM and more
(same approved techniques as used by FBI, CIA, police, sheriff, etc)

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We stop you from using fraudulent examiners- inexperienced examiners- overpriced examiners!

We have tested more celebrities than any other Examiner
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From a happy client (a Husband/Father/Tech businessman):
"So glad I found you. Just so you know, a polygraph person in another city spent more time
trying to get us to not use your LOW prices than she did to try to sell her self-- I'm a businessman,
I spotted the desperate phonyness! Important to our long marriage was that both my wife and I
prided ourselves on only sex with the other during our entire lives. We had each other tested--
she failed bad, and that night she confessed to have had intercourse with a guy in college before me."


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Know these 3 polygraph price secrets
below and you won't be price-gouged!


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Putting these 3 facts in writing above has
made some dishonest examiners mad!

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818 883-6969

TV talk shows . . .

You've seen our talk-show work:
Jimmy Kimmel - Tyra Banks - Chelsea Handler -
TMZ - Right This Minute - Queen Latifah -
Nikki Glaser - Bill Cunningham - Sally Jesse Raphael-
Adam Carolla - Home and Family - The Test - Ellen
Leeza - Wendy Williams - The Real - Carson Daly-
The Steve Harvey Show - The Robert Irvine Show - Viral Videos -
radio shows - legal discussion shows - and more!


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You get to choose!

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-or-   2.polygraph weekends in Los Angeles

You choose either
1. a free 4-page written report,
or
2. watch the exam live!


TV shows use our testings because they require extreme credibility!

Thirty-seven+ years of
polygraph experience in 2024.

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Why trust a polygraph test to a part-timer?


On hot days, an examinee should drink water an hour before testing because:

Dehydration affects improve accuracy of a Los Angeles lie-detector exam with water polygraph results.


If a person is dehydrated, they may not realize it.
On a hot day, they may have already 'sweated out' more water than they took in.

Moisture-changes at the fingertips while answering questions
is an important measurement during a polygraph examination.
(moisture-changes polygraph moisture at fingers is the green line)

Dehydration greatly reduces this important tracing,
and it could interfere in the accuracy of the results.

A good examiner will spot dehydration, require immediate water intake, then try again in after a wait.
Or there is an alternate EDA/GSR method, but this isn't the place to discuss it.
A rushed or inexperienced examiner will allow the testing without fixing the problem.
Some part-time polygraph examiners have never seen dehydration!



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Very very few private polygraph examiners have done
testing for Federal law enforcement-- see how we did!

A Federal Probation Officer said:
"After his release from Federal prison for online crimes,
our interview got nothing from him--
then that day you got several new
crime admissions from our person!"




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Know that this is the
#1 lie that polygraph examiners give as an answer when
you ask this simple question while calling around for prices:

"How long will the actual polygraphing take?"



To cover up their high price-quotes, some polygraph examiners will tell you:
"A polygraph exam will take up to two hours."

 How long does a polygraph test really take? or  Does polygraph take more than an hour? ?



The real truth:
No matter which examiner you go to, the person being polygraphed
will be ON THE POLYGRAPH answering Yes or No
questions for only THREE 5-MINUTE PERIODS.

Most of the rest of the time: is just talk.

Many examiners do not want you to know this.

They feel you will be shocked by their price quote if you knew
that the actual polygraphing (when the arm is being squeezed
by a blood-pressure cuff) time is actually so short.

Old-style polygraph instruments took a lot longer, having to
continually adjust paper, fix ink problems, and constant writing
notes on the paper. Not needed on modern computer polygraphs.

Most of the rest of this time, the longest part, is the 'talk time'.
This is known as 'The Pre-Test Interview'. Explanations are given,
and it is decided what 3 or 4 questions you want asked.
Good examiners instead have you think about, and write down, your questions
before you come in, and will help you make them perfect when you arrive.
And many of the pre-test interview instructions can also be told by phone.

So: most of this 'pre-test' can be done by
phone at at home before you come in.
It still is part of the exam--
you just spend the half hour of question writing BEFORE you come in.

SECRET: The half-hour or more of thought you put
into the questions you write at home equals a half-hour
or more less time you need to be at the examiner's office,
but it's still an important part of the polygraph exam.

It will take no more than an hour for your relationship polygraph exam

if you write your one-to-four questions down on paper before you come in.


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Tested more than 200 persons
for the Robert Irvine Show!


Real polygraph tests are sometimes different
than Reality TV polygraph tests-- we do both!

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Ask us what is different.


Polygraph is so accurate that
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you must take and pass a polygraph exam!

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It's the same as a $395 test :   Polygraph test Los Angeles $145   : Full and complete

The computer polygraph doesn't know how much you paid!
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You've seen our work on TV legal shows:
Divorce Court -Forensic Files -
Cold Case - Judge Joe Brown -
Nancy Grace - Paternity Court -
People's Court - Case Files -
Hot Bench - Judge Mills Lane -
Judge Alex - Evidence Files - and more!


For the 'nerd' Glendale CA polygraph exam shows too!


From a happy client (a former fiance' who now has the truth):
"Other polygraph examiners told me they charge a lot more because they do more of a test.
That was a lie. I had my girlfriend tested at three polygraph places. You all gave her the same scores.
But only you let me watch the test. And you were half the price!"

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More polygraph tests
for YouTube stars
than all other
polygraphers combined!

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Besides a standard polygraph test,

choices with Los Angeles polygraph tests
here are some of the additional-cost
polygraph options to choose from:



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After-hours testing is sometimes needed.



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Ask for the additional cost of the various options.

Our immigration polygraph test reports have been used in many Federal hearings!

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We have been polygraph testing since the 1980s Polygraph testing.

Contact 818 883-6969 for more $145 test information and scheduling.

For court cases, we have proven that other Examiners did not follow Federal guidelines!


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You've seen us take a lie detector test in Los Angeles on TV testing
some of the nation's most popular TV stars and other celebrities

Some TV shows use polygraph as due diligence on contestants     TV show contests sometimes lie to be on RV, polygraph can catch that   Hollywood fact-verification polygraph

Something you don't see on TV because it's done behind the scenes:

We do polygraph tests on many TV show contestants regarding their true
backgrounds or other fact-verification needed by television program producers.

Los Angeles fact-verification polygraph test
We have caught many with fake backgrounds or made-up stories.

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From a happy client (a thankful father of a teen):
"My teen son was accused of unwanted sexual talking to a teen girl at school.
You testified before the School Board District Hearing that was likely going to make him change schools.
Your report and testimony proved to the Board that my son was truthful!"

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We've done more polygraphing for reality TV shows
than all other polygraph examiners combined have!


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A recent client said:
 "Your results were accurate, I got to watch the testing,
we got a confession and I am extremely satisfied!
I will be referring many others to you."


Affordable CERTIFIED Computerized 'Lie Detection' Testing for:

  • Personal, relationship, family issues, infidelity, immigration/asylum, school/academic, yoth/teen, drugs
  • All civil and criminal, including theft, robbery, vandalism, abuse, monitoring anklet false-positive claims
  • PCSOT, sex offender, SVP, parole and probation, CONREP, military, LifeStyle/FullScope

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    In 2025 we were at 38 years!

    Our testings have been used for administrative hearings & for school board matters!



    Superior Court polygraph in court judges have
    ordered persons to appear before us for
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    We have provided polygraph equipment and expertise to TV
    action shows including 'Lie To Me', 'CSI: New York', and 'NCIS'

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    From a happy client (a businessman who is in the news):
    "I wanted the price for a business-related polygraph test.
    I would have used the first one I called-- but she ended the call by telling me to not use you.
    I told her I called for information from her on her, not on others.
    So, I called you, you did my test well, and I quickly had a 4-page professional report."


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    Unlike many other examiners,
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    We know many examiners who stretch (lie!) about their polygraph experience.

    There are many examiners who claim to "have (xx) years of polygraph experience".
    But what the truth is: they have owned polygraph equipment for (xx) years.

    Most only did a few exams per week --or per month-- during that xx years.
    So really, those persons only have ONE YEAR of actual experience,
    stretched out over ten years. Like a car driver who only drives once a week.



    In 38+ years, we havepolygraph trainingtested 13,000+ persons.

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    A recent client said:
     "Despite my suspicion, my husband swore no sex
    with anyone else happened during our marriage.
    I saw your computer show that there was no way he was telling the truth.
    He stormed out swearing that he was not lying.
    Yet that night, he admitted to (xyz) 7 times with an other woman,
    and 1 time of (xyz) with another woman, all during our marriage.
    Marriage being repaired, thank you so much!"

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    Our testings have been used for parole and probation matters!
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    One recent TV show used a polygraph examiner who used
    an antique analog polygraph instrument to film a testing.
    Oops, that examiner said 'Inconclusive' (could not determine if truth or lie).
    The TV show then called us in to do a re-test. We promptly had solid results!


    Even a trained undercover television actor
    could not beat our polygraph accuracy!

    Accredited Polygraph Los Angeles California

    From a happy client (a US military serviceman):
    "Your polygraph report was used today as evidence
    in my US (armed service) admin separation hearing.
    After failing a 'pee test', I had to prove that I did
    not knowingly use any drug or I would be kicked out.
    My JAG attorney had only your report to help me.
    It was accepted as evidence, and I was cleared. Thank you."
    Our testings have also been done inside jails, state mental hospitals and state prisons!

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    If you are in the military and you wrongly fail a urine 'pee-test',
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    A recent client said:
    "Important to our long marriage was that both my wife and I
    prided ourselves on only sex with the other during our entire lives.
    We had each other tested-- she failed bad, and that night she
    confessed to have had intercourse with a guy in college before me."




    Our polygraph reports have been used
    for many Federal court Immigration cases
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    We are polygraph experts for immigration matters involving 'wave-throughs',
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    Click here only if you need testing for an immigration situation

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    We have polygraph-tested more TV
    'Real Housewifes of . . . '     than all other Examiners!

    polygraph Los Angeles price secret

    Question:
    "Why do some polygraph examiners try to charge so much for the same thing?
    Why are some mad that you share the polygraph price-secrets with the public?"


    Answer:
    Polygraph test price secrets  Start the blame with polygraph training schools.    price for a real polygraph test in Los Angeles

    Ouch! Call a school as a prospective student and you'll be shocked to hear:
    "Attend our 10-week trade-school and
    then you can actually charge the public
    the same hourly fee that attorneys who
    went to law school for four years do    ".



    Many examiners attend a 10-week trade school,
    then advertise polygraph tests for $300, $400, even $500,
    since that's what the school told them they could now do.

    Remember, the actual polygraph questioning
    part of the test is only three 5-minute charts    .
    The longest part of the test, figuring out what three or four questions
    the client wants to be asked, can take a half-hour to an hour,
    and you can do that at home before you come in.


    You know how much you earn per hour on your paycheck.
    That is why we offer reasonable prices on polygraph examinations.

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    Our testings have been used for State and Federal court matters!



    Many many people who need lie-detector tests look at our website every day.


    But thanks to modern IP technology, we see who else visits this site often:
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    Our special lowest price on a polygraph test California price proves we did not go along with the
    polygraph group illegal price-fixing scheme to keep prices higher.
    Their threats to hurt our business didn't work!




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    We are also trained and certified in 'voice stress' lie-detection,
    a different type of truth verification that is less-known or used.
    We've done hundreds of voice-stress tests in the same sessions on
    persons asked the very same questions using computer polygraph.
    We can show you why computerized polygraph is the better choice.


    We did all of the     lie-detector testing in Pomona polygraph exams
    for this TV series hosted by Wendy Williams!


    Wrongly-accused of cheating at school? Time for a polygraph test.

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    So honest examiners will let the client
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    We get calls every week from anonymous callers asking if they can pay extra for a 'fake pass'.
    Don't waste our time. Yes, some (we know them) take bribes-- call us only if you want an honest test.


    TV producers use us for their 'pilot' episodes of TV shows nationwide.
    Our experience and credibility adds to the show's selling value.    .

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    An integrity-insurance device that only we optionally offer--
    but watch for other polygraph examiners to now try to imitate it!

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    embedded into the report as to prevent 'use of ringer' accusations.

    Note: always request this option if your polygraph test is for
    a DCFS (Department of Children & Family Services) matter.

    (Photos above were censor-barred here to provide privacy; they are not censor-barred if embedded in report.)
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    Using professional poker players, the scientists wanted to
    know who could best determine when a player was 'bluffing'.

    A 'body-language expert' could not.
    A 'retired FBI behavior analyst' could not.
    But the polygraph easily showed when a player was bluffing!

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    QUESTION: How has polygraph become such an accurate truth-detecting tool?

    ANSWER: Thanks to tax-dollar-paid government research of more than 60 years!


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    What trickles down to polygraph schools is the research done
    by the polygraph academy operated by the US government.
    It teaches the 12-week polygraph course to dozens of federal agencies all year long.

    From 1951 to 1985, it was known as the 'US Army Polygraph School'.
    In 1986, its name was changed to 'Dod-PI' (Department of Defense Polygraph Institute).
    In 2007, its name was changed to 'DACA' (Defense Academy for Credibility Assessment).
    Since 2010, its name has been 'NCCA' (National Center for Credibility Assessment).

    Your situation benefits from this millions
    of dollars spent on lie-detection research.




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    Our testings have been used for nationwide television commercials!

Reports and Certificates for any requirement or need

Do you need a certified polygraph examiner in Los Angeles?
This old advice block is still good advice:
watch the Los Angeles polygraph examination
take a lie-detector test in greater Los Angeles
the real truth about Los Angeles television polygraphs

We save you from paying fraudulent examiners or hiring
overpriced examiners or believing inexperienced examiners!

Old '4 pens and a roll of chart paper' antique polygraphs
are for TV shows only-- only computerized have real accuracy!


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We've done polygraphs for TV shows that other examiners list:
they were interviewed and then NOT chosen for the show,
instead we were hired-- yet they claim connection to the show!


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We refused to participate in the keep-prices-high polygraph price-fixing scheme!

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Don't let an Examiner use an old antique analog polygraph if you need accuracy


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You inspired a long & successful career-- thank you M.

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In addition to regular polygraph practice, extensive training and testing side-by-side
for the entire 1990s and more with a retired Secret Service agent polygraph examiner!

Ever see our 1990's polygraph television polygraph Los Angeles 1990s episodes?!

1n the 1990s, we had the world's FIRST polygraph webpages, using Tripod,
AOL, Homestead, Freewebs, Geocities, Lycos, Freewebs, Excite and Angelfire.


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We have tested for many PCSOT sex offender matters--
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We specialize in relationship and theft polygraph tests


Another polygraph secret . . .

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Sometimes the written report is the most important part of the exam.
For many, the results of the test (the report) are what is given
to the court, or is given to the other party in your matter.
Here's why you sometimes need toGlendora polygraph    before choosing an examiner:

The Examiner won't be with you later-- only the written report will be your proof.

Unfortunately, some good examiners write a sad, short report. So even if you
were truthful and passed, that report looks so weak that it doesn't carry any weight.

If the report doesn't impress you, it sure won't impress anyone else.



Ours is a 4-page report free Los Angeles polygraph report that has been used
for many legal matters. Some examiners write only a 1-page report!


NOTE: Some Examiners say "A report is included free",
but what might arrive is a few lines telling Pass or Fail,
with a note telling "A more detailed report is available for $100"!



With us, you get to choose!

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You choose either 1. a free 4-page written report, or 2. watch the exam live!




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Want a lie-detect test in Los Angeles?  


We have been rushed-in to fix mistakes by other Examiners,
for tests on television and for tests in real life


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Marijuana Polygraph Tests

We pioneered the guidelines for regulatory compliance polygraph testing
for California's MMRSA Medical Marijuana Regulation and Safety Act,
for California's CDCC Department of Cannabis Control,
for California's CDPH OMCS Office of Medical Cannabis Safety,
for California's CDFA MCCP Medical Cannabis Cultivation Program,
and for other states/jurisdictions that regulate legal marijuana businesses

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Click here only if you need testing for a marijuana business situation




Old videos about $145 polygraph tests


Most law enforcement agencies pay Examiners less
than $200 for applicant tests, so why do the same Examiners
try to charge the public more for shorter tests?

We arepolygraph test on weekendsopen 7 days


Pre-employment polygraph testing
for law-enforcement applicants

In most major areas, you can not become a
police officer or a deputy sheriff without first
passing a computerized polygraph examination.

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Click here only if you need testing for a police applicant polygraph situation



ATM POLYGRAPH EXAMINATIONS

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Fraud by private ATM vendors, owners, users or employees

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ATMs are susceptible to: money laundering, fraud,
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Rideshare Polygraph Tests

We pioneered the guidelines for
applicant background checks and regulatory compliance
polygraph testing for 'rideshare' entities such as Uber and Lyft.

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Click here only if you need testing for a rideshare business situation


Another secret that many polygraph
examiners don't want you to know:

So-called 'Mobile' polygraph examiners are usually part-timers
who don't work enough to cover the cost of having an office.

They aren't helping you by coming to you--
they have no choice-- they don't really have an office.
Secretly, they work polygraph test San Juan Capistrano out of their trunk.

Or worse, they have polygraph test Oceanside you come to their home.

Some will lie to you about having an office but will give you a fake reason why to do it at your home.
Some will say they have an office, but checking the address you'll see it is NOT really theirs.

Professional polygraph standards and training clearly instruct that testing should NOT be at a residence.

SPECIAL SECRET WARNING:
Run if a polygraph examiner has you meet for testing at an office building where the examiner is
just renting office space for a few hours. What this actually reveals it that the examiner only
does a few exams per month and doesn't have a sufficient business to have his/her own office.

Only have testing at an examiner's office
that has the examiner's name on the door.

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We have had professional offices continuously for nearly 38 years.



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Sport/Event Polygraph Tests


John's polygraph work on various sports-related
matters has proven to be 100% accurate!
Here are just a few examples:


A famous bicycle racer was accused of using polygraph for bicycle racer banned substances after failing a test. He denied it.
He told media that he would gladly take a polygraph test. It was arranged. John arrived. Then the bicycle racer refused.
Later, that bicycle racer admitted that indeed he had used the banned substances.



Baseball player Jose Canseco polygraph for major basseball team playerbaseball player polygraph admitted that he used steroids.
He named other players that he personally knew who also used steroids. Those players all denied it.
Jose passed John's televised polygraph tests naming those other players. The other players still denied it.
Later, those same other players admitted that they had used steroids.



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One guy easily won. But he failed his polygraph when John asked about violating any contest rules regarding the winning fish. He denied it.
Later, the fisherman's son confessed: they had caught the large fish days earlier out further in the water,
and they kept it preserved, hiding it, then next pretending to catch it during the tournament's hours.


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bodybuilder contest that offered great benefits to the winner: cash, fame,
and endorsement contracts for all-natural body-improving supplements.
During the polygraph, John detected that the bodybuilder using a 'trick' some attempt to use that is said to mask failing reactions.
The bodybuilder failed when told to stop the countermeasures; he then admitted to having used banned substances.
Have you seen polygraph test Los Angeles weight loss TV shows?

Behind the scenes, we are doing polygraph tests for them to make
sure the contestants are following all rules, including no drugs, etc.

Some 'winners' have been caught by our polygraph tests to have been
using weight-loss help that was not authorized, and then were disqualified.

Some 'losers' were caught to have been sneaking unauthorized food into their diets,
causing less than expected weight loss, interferring with program accuracy.

Sex Offender Polygraph Tests


PSCOT polygraph test Los Angeles

SECOND-OPINION AND/OR RE-TESTING
OF SEX OFFENDER POLYGRAPH TESTS


Unlike the newly-made crop of recent 'PCSOT examiners', we have been testing
sexual offenders for nearly 40 years with the primary purpose of protecting the public.

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We have tested many court-declared Sexually Violent Predators.
We have tested inside many prisons and inside state mental hospitals.
We have tested for many counties, for the Department of
Mental Health, for scores of therapists, for military JAG lawyers,
for court-appointed attorneys, for Federal Probation,
for the in-custodys of many entities, for Public Defenders, and more.

If you have a failed PCSOT Post-Conviction Sexual Offender Test and need a
truly fair and unbiased independent re-test, we are THE choice, and here's why:

We purposely declined to join the easy-income PCSOT 'club' that
attracted examiners from across the country to come running to California
to get 'on the list' for the 'easy money gold rush' when regular PCSOT testing
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became mandatory for registered offenders, so that
you can get a truly neutral & independent re-test
(Do you really think one 'club member' is likely to
ever issue different results than a fellow member?!)

Some PCSOT 'fails' came from examiners who made mistakes.

Ask us for a copy of the question guidelines by
the California Sex Offender Management Board.

We are your long-time Containment Model partner.


Click here only if you need testing for a sexual offender situation


Family Issue Polygraph Tests

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Teen polygraph tests and juvenile polygraph tests
are much more common than many would think.



See American Polygraph Association

California Alliance of Polygraph Examiners

Arizona Alliance of Polygraph Examiners

New York Alliance of Polygraph Examiners


Experienced :: CERTIFIED :: Many Languages

(Here is our 'red block ad' of many years ago)
Los Angeles polygraph at CertifiedPolygraphDotCom

Court Appointed and Recognized Expert
Traveling nationwide to serve you!
13,000+ completed polygraph examinations
Male and Female Certified Polygraph Examiners
Remote-monitoring available by live-video;
options include videotaping of the examination

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Also available:
Voice Stress Analysis and Layered Voice Analysis,
eye-movement / eye-tracking,
micro-expression, body-language, MRI/fMRI,
concealed emotion, and PPG-Plethysmograph

Need a certified polygraph examiner in Los Angeles?

Sales - Service - Training - Support
Respected affiliates in all major cities

Days, Nights, Weekends: Reasonable Rates-
no additional cost for nights or weekends,
and no charge for a written report if
 you can't watch the examination live!

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Immigration Credibility Assessment

Administering only those testing
techniques approved by all five: 
Polygraph Examiners of America,
ASTM, American Polygraph Academy,
US Government Polygraph Institute,
and American Polygraph Association

Best prices on a Los Angeles polygraph exam

Relationship tests for $145

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VERY ACTIVE member of
lie-detection organizations.
If for a language or type/area we
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best choice for a polygraph test in Los Angeles

Also Spanish, Korean, Farsi, and Hebrew polygraphs

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818 883-6969

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Credibility Assessment Specialist
John Grogan and Associates - California Lie Detection - Polygraph Services, Training and Lectures

Polygraph examinations can be
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In memory of passed examiners who
were respected and will be missed:
Victor Kaufman Polygraph Examiner
Milo Speriglio Polygraph Examiner
Chris Gugas Polygraph Examiner
Frank Connolly Polygraph Examiner
Nick Savastano Polygraph Examiner
Gene Sandacz, Polygraph Examiner
Jamie Skeeters Polygraph Examiner
Pat Foy Polygraph Examiner
Tom Ezell Polygraph Examiner
Ron Decker Polygraph Examiner
Norm Ansley, Polygraph Examiner
Ed Lopez Polygraph Examiner
Paul Minor, Polygraph Examiner
Cleve Backster Polygraph Examiner
T.V. O'Malley Polygraph Examiner
Ray Inglin Polygraph Examiner
Denny Connors Polygraph Examiner
Joseph Paolella Polygraph Examiner
Art Gren, Polygraph Examiner
Jack Trimarco, Polygraph Examiner
Gene Cella, Polygraph Examiner
Ed Gelb, Polygraph Examiner
Rest In Peace, Gentlemen.

34 years polygraph experience

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polygraph test confidentiality agreement

In writing, here is our
confidentiality agreement
with our clients:

1) All notes, charts and details
related to your test are destroyed
at the completion of written report
if it was a report-included test,
or the same at the end of testing
if it was a monitored (watched) test.

2) No details will be discussed regarding
your test without your permission.


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