About Us

Robel Polygraph Investigations LLC, was founded by highly distinguished retired FBI Special Agent Mark A. Robel. Robel retired after 24 years as a proven, and highly successful investigator in violent crime, terrorism, espionage, and crimes against children. As a federally certified polygraph examiner who attended the renowned National Center for Credibility Assessment (NCCA), Robel has conducted more than 3,500 polygraph examinations. With over 18 years of federal polygraph experience, you can trust him to provide reliable results for all your investigative needs. Robel combines his vast experience as an FBI interviewer and polygraph examiner to produce a highly effective and credible examination process.

 

As an FBI polygraph examiner Robel has had multiple deployments to Iraq, Afghanistan, and Qatar, in support of the war on terror.  As a polygraph examiner Robel has conducted a variety of polygraph examinations ranging from criminal, terrorism, espionage, intelligence, applicant, witness security, federal personnel security programs, and pre-employment screening examinations. Robel has also conducted hundreds of criminal examinations throughout the state of Wisconsin for state, local, and tribal law enforcement agencies involving high profile criminal investigations. Robel's reputation throughout the law enforcement community is unchallenged and together with his experience,  and knowledge, he will provide you with a highly credible examination, that will undoubtedly influence prosecutors, investigators, or decision makers.