Ken Mikionis, a former FBI Special Agent and Polygraph Examiner will conduct all private investigations and polygraph exams. Ken has over 30 years of law enforcement and security experience. Choosing a well-qualified Private Investigator and Polygraph Examiner with the proper credentials and background experience is critical to obtaining accurate and professional results you can count on. Patriot Investigations is a locally owned, operated and insured private security company based in Richmond, Virginia.

During Ken’s twenty-eight year career with the FBI, he has been involved in numerous complex investigations and prosecutions in the area of organized crime, financial crime, drug trafficking and violent crime. He has participated in overseas assignments in South America and the Middle East.

Ken is a highly accomplished certified former FBI Polygraph Examiner and has conducted over 2000 polygraph examinations across the U.S. and overseas. He managed the FBI’s polygraph program in Richmond, Virginia. He is an extensively trained examiner and a graduate of the Department of Defense Polygraph Institute (now called the National Academy for Credibility and Assessment), and is acknowledged as the top polygraph school in the world. Ken is a certified polygraph examiner and is a Full Member of the American Polygraph Association (APA) and the Society of Former FBI Special Agents.

Patriot Investigations Inc. – Licensed Private Investigator and Polygraph Examiner

Owner of Patriot Investigations, Inc., specializing in criminal defense, surveillance, background investigations and polygraph. Certified Polygraph Examiner, Commonwealth of Virginia.

2008 – present, Virginia

U.S. State Department – Senior Polygraph Examiner, Diplomatic Security Services

Responsible for conducting polygraph examinations under the direction of the US State Department, Bureau of Diplomatic Security, Office of Counterintelligence and Counterterrorism Vetting Unit. Conducts polygraphs at the US Embassy in Iraq and Afghanistan. Current Top Secret security clearance.

2012 – Present, Washington, DC (overseas U.S. Embassy locations)

Federal Bureau of Investigation (Special Agent and Polygraph Examiner)

Managed the FBI’s Polygraph Program in Richmond, Virginia. Conducted polygraph examinations in all area’s of FBI jurisdiction to include criminal, counterintelligence, counter terrorism and personnel security matters.

1979–2007, Detroit, New York City, Richmond

Education and Certifications

Penn State
Bachelor of Science – Criminal Justice
Graduated from the Department of Defense Polygraph Institute
Certified Polygraph Examiner of Sex Offenders


American Polygraph Association
The Society of Former Special Agents of the FBI


Polygraph Examiner – Virginia License – 1601000854
Private Investigator – Virginia License – 99203520
Virginia Business License – 11-9181