Polygraph Examiners

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Michael H. Branks, CLI

Criminal Investigator
Polygraph Examiner
Certified Legal Investigator

A Criminal Investigator for 30 years, he is a licensed Private Detective and Polygraph Examiner. Having conducted over 6000 Criminal and Civil Investigations, Mr. Branks is well respected by the Criminal Defense Bar and law enforcement professionals. Mr. Branks is a member of numerous professional organizations such as American Polygraph Association, Wisconsin Polygraph Association, British European Polygraph Association.

Holding degrees in Police Science, Criminal Justice and Administration of Justice, Mr. Branks is a frequent speaker and trainer for public and private organizations. He specializes in violent crime and internal affairs matters, he is an experienced and well trained forensic interviewer.


Our examiners have the expertise to conduct criminal and civil, Pre- and Post-Conviction Sex Offender Testing (PCSOT). All of our examiners have graduated from an American Polygraph Association approved advanced Post-Conviction Sex Offender training course and are approved for this testing by the APA. Our examiners participate in specialized PCSOT continuing education programs on an annual basis.

Wisconsin Credibility Assessment Specialists utilize state-of-the-art digital polygraph systems and conducts polygraph examinations according to the standards and methods approved and endorsed by the American Polygraph Association.