Thomas Polygraph Services

05/02/2026

If trust has been broken in your relationship, you deserve a clear answer — not a fishing expedition. 🎯

Here's something most people don't know: not all polygraph tests are built the same. When it comes to infidelity concerns, a single-issue exam is almost always the better choice — and the reason is rooted in science.

Every additional question on a polygraph exam introduces its own source of error. Think of it like inviting extra guests to a party — more guests, more chaos. Single-issue testing keeps the guest list short and the results as clean and reliable as possible.

It also means less stress for the person being tested, more privacy, and a faster path to the one answer that actually matters.

I've been a polygraph examiner for nearly 20 years. This is the approach I recommend to anyone dealing with infidelity concerns — because it's the one the science supports.

📖 I wrote a full breakdown on the blog. Link in comments.

📞 Call or text anytime for a confidential, no-pressure conversation: (936) 760-2535

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04/30/2026

Thomas Polygraph Service has move to our new location on Lake Conroe. Our new location is 14888 Hwy 105 West Suite 111, Montgomery, Texas 77356.

08/25/2025

Second day of training. Great information.

08/25/2025

The first two hours of training with Gordon Vaughan the General council for the American Polygraph whenever Association. Great opportunity to become more updated with United States and international law.

10/15/2024

It was an honor to be able to share my time with an amazing group of people who have a burning desire to learn polygraph. The interpreter was phenomenal! She was able to translate what I said in Spanish and remember what I said when I talk too long. I feel very privileged to be invited to speak by Oksana Stevenson and the Ukrainian Embassy.

08/28/2024

Mark Handler doing a great job proving instruction for using and understanding the data collected with the PPL, PPD or vasomotor assessment tool.

08/27/2024

Full class in American Polygraph Association today in New Orleans. Don Karpohl and Russ Warner are presenting us with great information.

08/26/2024

APA New Orleans, Monday morning.

09/01/2023

More great instructions.

today is the last day of our annual seminar. Please be sure to drop off your committee volunteer forms as well as your continuing education forms to receive your credit hours for this week!

08/31/2023

Great information PhD Beyer.