St. Louis Polygraph

St. Louis Polygraph APA / AAPP Certified Polygraph Examiners
Infidelity / Private / Attorney / Pre-Employment

Today, we honor our friends who have passed serving our country. Thank you for repeatedly answering the call. Those that...
05/25/2026

Today, we honor our friends who have passed serving our country. Thank you for repeatedly answering the call. Those that say "SEND ME," will forever be remembered.

We recently renovated our office space! This was done to create a more inviting environment. A new coat of paint and som...
05/19/2026

We recently renovated our office space! This was done to create a more inviting environment. A new coat of paint and some new plants!

Our team had an opportunity to listen to Chip Morgan, APA Chairmen, speak about the Single Issue Screening Test (SIST). ...
05/07/2026

Our team had an opportunity to listen to Chip Morgan, APA Chairmen, speak about the Single Issue Screening Test (SIST). Thank you to the AAPP for making it all possible!

Our team had the opportunity to listen to Alan Pietkiewicz, who shared many great experiences while working with the Pen...
05/05/2026

Our team had the opportunity to listen to Alan Pietkiewicz, who shared many great experiences while working with the Pennsylvania State Police. Thank you to the AAPP for providing opportunities for further professional development.

In Atlantic City attending the American Association for Police Polygraphists Conference. Our team is dedicated to furthe...
05/04/2026

In Atlantic City attending the American Association for Police Polygraphists Conference. Our team is dedicated to furthering our education in this field. In this way, we can maintain the most up to date and statistically backed practices in our profession.

Our examiners are also Law Enforcement Firearm Instructors with Vista Law Enforcement Training and Consulting, LLC! We a...
04/17/2026

Our examiners are also Law Enforcement Firearm Instructors with Vista Law Enforcement Training and Consulting, LLC! We are dedicated to the Law Enforcement community. We strive for professionalism and excellence in everything we do.

04/05/2026

🌷🐣 Happy Easter from St. Louis Polygraph LLC! 🐣🌷
Easter is a time for renewal, fresh starts, and—most importantly—honesty and truth.

Schedule your appointment today.

03/13/2026

Today we honor and remember Det. Sgt. Mason Griffith. On March 12, 2023, Det. Sgt. Mason Griffith was shot and killed in the line of duty.

Det. Sgt. Griffith served with the Hermann Police Department for over 12 years and served part-time as Chief of the Rosebud Police Department and served as a Reserve Deputy Sheriff for the Gasconade County Sheriff's Office. He left behind his wife and two sons.

We will never forget the life and legacy of Det. Sgt. Mason Griffith.

Help our mission today at BackStoppers.org/Support

Fantastic event for Fantastic People! Thank you to the Warren County BackStoppers!
02/22/2026

Fantastic event for Fantastic People! Thank you to the Warren County BackStoppers!

01/01/2026

As we enter the New Year, we want to thank our clients for placing their trust in us. At the core of our work are professionalism, discretion, and integrity, and we remain committed to providing reliable and confidential services in the year ahead. We look forward to continuing to serve our community with the highest standards. We at St. Louis Polygraph hope you all have a fantastic 2026.

Address

1550 Wall Street
St. Charles, MO
63303

Telephone

+13147473719

Website

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