Providing reliable, credible, and affordable polygraph services in the Twin Cities and the greater Minnesota area.

Founder, Mark Sitko

Retired FBI Special Agent

 

Minnesota’s top choice for polygraph services, Summit Polygraph LLC, was established by retired FBI Special Agent and Federally Certified Polygraph Examiner Mark Sitko.

Mark served as a Special Agent for the U.S. Government for over 23 years, including 17 years of dedicated & proven Federal polygraph experience.

At Summit Polygraph LLC, we are expertly trained & certified in the utilization of sophisticated investigative and interviewing techniques.

Credible. Ethical. Reliable.

“I proudly bring over 17 years of polygraph experience, having successfully conducted more than 2000 polygraph examinations directly in support of FBI investigations”.

- Mark Sitko, Founder 

About Mark

Mark graduated from the National Center for Credibility Assessment (NCCA) located in Fort Jackson, South Carolina. NCCA is the US government’s premier polygraph training program in the U.S. that provides training to the FBI, Secret Service, CIA and 25 other Federal agencies. 

Mark possesses a rare depth and breadth of experience investigating criminal and national security matters and is expertly trained in the utilization of sophisticated investigation and interview techniques that have resulted in his providing testimony numerous times in both federal and state courts.   

During his career as a Special Agent, Mark strictly upheld FBI testing protocols related to data collection, scoring, and applied appropriate and approved federal testing formats. Mark has polygraphed a diverse group of individuals in some of the most challenging environments planning and executing interviews and interrogations. The results of his efforts yielded a record of admissions and confessions critical to uncovering the truth.   

Mark has held multiple high-profile FBI leadership positions, including serving as an attaché to the German government while supporting their counterterrorism program during a time of increased threats and attacks in Germany and the European Union. As a Joint Terrorism Task Force supervisor in the Minneapolis and Los Angeles FBI field offices, Mark was recognized as an outstanding leader of teams of agents and analysts investigating terrorism threats and mitigating risks.

 

Degrees, Licenses & Certifications

  • Bachelor of Arts, Criminal Justice, University of Nevada, Reno

  • Juris Doctorate, Willamette University College of Law

  • Interview & Interrogation Training

    • Reid School of Interviewing & Interrogation

    • Israeli Security Agency, Tel Aviv

  • Federally Certified Polygraph Examiner, National Center for Credibility and Assessment (NCCA)

  • Member of the American Polygraph Association

  • Member of the American Association of Police Polygraphists 

  • Certified Post-Conviction Sex Offender Testing, National Polygraph Academy