This polygraph firm was established in 1978, in Miami, Florida. Thousands of polygraph examinations have been conducted successfully since that time.
Joseph W. Harper is a retired Metro-Dade County police detective, a graduate of Florida International University in Miami, and holds a BS degree in Criminal Justice. Mr. Harper is an expert witness in polygraph science in both Federal and State...
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Expert Witness Federal & State Courts
In State & Federal Court
Retired Police Detective
Over 30 Years Experience
Employment Background Searches
Certified Expert Witness
Retired Police Detectives