CVSA and other Voice Stress Analysis Applications CVSA and other Voice Stress Analysis Applications
Computer Voice Stress Analysis--another pseudoscientific form of "lie detection"--is used by some law enforcement agencies as an alternative to the polygraph. Other voice stress analysis products like Truster, Truster Pro, Handy Truster, and Layered Voice Analysis have also been promoted. But do they actually detect lies?
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CVSA Maker Admits Device Cannot Detect Lies!
The National Institute of Truth Verification, which markets the Computerized Voice Stress Analyzer (CVSA), has admitted in a court filing that their device "is not capable of lie detection." John Tuoh...

Started Nov 7th, 2004 at 12:24pm by George W. Maschke
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23 52008 Last Post Jun 3rd, 2012 at 5:12am
By: emmanuel4567 (Guest)
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Notes on Meeting of Creditors in NITV LLC Bankruptcy Case
As noted on the blog, Charles Humble has filed for Chapter 7 bankruptcy with respect to NITV, LLC.
On Thursday, 7 October 2021, Michael R. Bakst, the bankruptcy trustee handling this case, conven...

Started Oct 8th, 2021 at 12:02pm by George W. Maschke
This topic contains 6 attachments
9 1653 Last Post Sep 6th, 2022 at 9:15pm
By: Anthony R (Guest)
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Federal Lawsuit Settlement - Arkansas Federal Court 2021
In JAN 2021 NITV LLC, d/b/a NITV Federal Services LLC settled out of court with Bianca Fletcher, an employee of Arkansas Dept of Corrections.  As in previous lawsuits filed against NITV for product li...

Started Dec 28th, 2021 at 8:10pm by JRyan (Guest)
This topic contains 1 attachment
1 408 Last Post Jan 17th, 2022 at 10:30pm
By: Anthony (Guest)
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Jury Returns $575,000 Award Against NITV for Defamation has received an undated press release (see attachment) issued by Baker Group International announcing that "after a four day trial, a Palm Beach County, Florida jury has concluded th...

Started Jan 16th, 2010 at 7:43am by George W. Maschke
« Pages 1 2 3 »
This topic contains 15 attachments
35 17026 Last Post Oct 1st, 2021 at 2:22am
By: Anthony R (Guest)
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Voice Stress Analysis Touted at Public Corruption Investigation Conference
The National Association of Computer Voice Stress Analysts has issued a press release advertising a presentation to be made by William Endler, an instructor for the National Institute for Truth Ver...

Started May 9th, 2013 at 11:42am by George W. Maschke
This topic contains 1 attachment
13 45374 Last Post Sep 14th, 2021 at 4:49pm
By: Michael Myers (Guest)
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Everyone on this website seems to have overlooked the big 2021 story about VSA. Alleged national security crimes will be on trial in a
local Florida court ...

Started Jul 31st, 2021 at 9:26pm by stansmith (Guest)
This topic contains 3 attachments
3 758 Last Post Sep 7th, 2021 at 9:22pm
By: George W. Maschke
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CVSA Marketer NITV Secures Default Judgment in Defamation Suit Against Dektor PSE
As noted on the blog, the "National Institute of Truth Verification," which markets the scientifically baseless Computer Voice Stress Analyzer (CVSA), has secured a default judgment in a federal la...

Started May 20th, 2019 at 9:13am by George W. Maschke
5 2422 Last Post May 18th, 2021 at 3:31am
By: George W. Maschke
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Former Arkansas Corrections Employee Files Lawsuit Against NITV
As reported on the blog, a former Arkansas Department of Corrections employee named Bianca Fletcher has filed a federal lawsuit against NITV, which markets the Computer Voice Stress Analyzer (CVSA), "...

Started May 21st, 2020 at 8:01am by George W. Maschke
2 1003 Last Post May 4th, 2021 at 10:52am
By: George W. Maschke
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passed cvsa test
I just wanted to say THANK GOD FOR THIS SITE!!!  I took a regular palygraph test 5 years ago and thought that being honest and spilling my guts was the way.  How wrong I was then but thanks to the inf...

Started Mar 30th, 2001 at 12:47am by louis (Guest) (Guest)
5 17695 Last Post Feb 9th, 2021 at 6:51pm
By: Tom (Guest)
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Shadows into Light: The Investigative Utility of Voice Analysis with Two Types of Child-Sex Predators
Published by Marigo Stathis & Maria Marinakas. Study is apparently for the benefit of NITV Federal Services LLC, vendor for the CVSA. On page 20 Disclosure of Interest the authors claim ...

Started Jul 27th, 2020 at 9:52pm by Simone C. (Guest)
This topic contains 1 attachment
1 1258 Last Post Dec 11th, 2020 at 11:05am
By: George W. Maschke
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      As informative as this site is, the posts will dissappear very quickly when others post. A good idea is to have page numbers at the bottom of each page with the previous pages of posts so the re...

Started Aug 31st, 2020 at 1:55am by lcrane
0 532 Last Post Aug 31st, 2020 at 1:55am
By: lcrane
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It seems Mr. Maschke has a friend at the American Polygraph ASSociation (APA). Go to, go down to Resources, click Voice Stress Studies and you will see 2 links (of many) Mr. Maschke has ...

Started Aug 28th, 2020 at 6:06pm by lcrane
4 1030 Last Post Aug 29th, 2020 at 4:14am
By: lcrane
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requiero informacion

Started Sep 30th, 2019 at 10:32pm by JAIRO MARTINEZ (Guest)
0 793 Last Post Sep 30th, 2019 at 10:32pm
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CVSA First time taker experience
8) Well hello my fellow Polygraph/ CVSA skeptics, this afternoon I took my CVSA for a local agency. Let first start off by saying it was the the biggest waste of an hour in my life. I studied CM a wh...

Started Feb 22nd, 2006 at 11:29pm by z28camaro407
« Pages 1 2 »
18 102433 Last Post Nov 5th, 2018 at 4:51am
By: get-real-already (Guest)
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I have been offered for purchase a VSA1000.  Voice Stress Analyzer.  It is self contained in a stainless steel hard case.  I would like to play with this and see how it actually works, if it in fact d...

Started Dec 2nd, 2012 at 11:27pm by ROBERTBISHOP
1 3423 Last Post May 22nd, 2018 at 2:08pm
By: Clifton (Guest)
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domestic violence situation serious death threat and gangstalking
im being gangstalked by my husband and others need help for real now

Started Sep 13th, 2017 at 6:57pm by Candis Henderson (Guest)
1 2239 Last Post Sep 14th, 2017 at 12:01am
By: Dan Mangan
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wil stuttering affect CVSA results
1st. I stutter, I was wondering if my stuttering would affect my CVSA results.
2nd. I also have several "vocal tricks" I use to keep from stuttering. Even though my voice may sound normal to the ...

Started Aug 5th, 2002 at 11:42am by gonnabeaCop
7 13660 Last Post Jun 23rd, 2017 at 10:31am
By: Elijah (Guest)
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Re: Countermeasures for voice stress test???
People_Rep. wrote on Oct 11th, 2006 at 2:57am:
Can anyone give me some reliable countermeasures for a voice stress test?  I believe I'm going to be taking one of these for my local law enforcement testing procedure. Thanks!

Why are you asking...

Started Oct 11th, 2006 at 12:59am by nonombre
5 44994 Last Post Apr 28th, 2015 at 8:18pm
By: anitpolygraph4antijustice (Guest)
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used cvsa
hello i am looking for a used cvsa to buy for my business if you got one for  sale i am looking.

Started Nov 20th, 2007 at 12:39am by kenny25271
9 12278 Last Post Dec 23rd, 2014 at 3:51pm
By: Dan Mangan
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cvsa and the polygraph
So I found something interesting today, I was researching cvsa vs. Polygraph testing today because I noticed the CHP (california highway patrol) use cvsa and most California city departments use the p...

Started Jan 8th, 2014 at 7:44am by joe blow (Guest)
0 5076 Last Post Jan 8th, 2014 at 7:44am
By: joe blow (Guest)
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CVSA and other Voice Stress Analysis Applications

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