Derek Piasecki has administered thousands of Polygraph Examinations in both criminal and civil cases as a Polygraph Examiner.  These exams were conducted for Federal and Local law enforcement agencies, corporations, and private individuals.  Derek is also experienenced in the administration of Post-Conviction Sex Offender Testing.  He was trained by some of the most respected Polygraph Examiners in the field.  Derek has extensive interview and investigative experience.  He is well respected in the field, serving on both State and National Polygraph Boards.

All exams are conducted in a professional, discrete office location in St. Charles County.  Saturday morning appointments are available at no extra charge to fit your schedule. 

Confidentiality is assured with all clients.

Professional

Mr. Piasecki is a member of National and State Polygraph Associations and attends yearly training seminars.  Polygraph Examiners receive the best training at the seminars sponsored by National and State Associations.  

Honest

Mr. Piasecki will provide a written report for every exam conducted. He will respect all clients’ needs and their confidentiality.

Experienced

Mr. Piasecki has been a law enforcement Polygraph Examiner for over fifteen years. Polygraph Examiners gain the most experience when employed by a law enforcement agency. He has conducted exams for criminal cases to include murder and violent crime cases. 

Please contact us for an appointment or if you have any polygraph examination questions.

314-560-3378

Derek@StLouisPolygraph.com