Miami Polygraph Examiner

Polygraph examinations are investigations. We have many years investigative experience. We now use that experience for you. We have successfully completed thousands of examinations.
All information is confidential.

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 courts. With specific polygraphs conducted around the world, Mr. Harper is utilized by law enforcement and defense attorneys in the determination of truth or deception. 

Professional associations include the Florida Polygraph Association, the American Polygraph Association, and the American Association of Police Polygraphists.

Miami Polygraph Examiner

We accept all major Credit Cards.

Miami Polygraph Examiner

Our Services
Polygraph examinations are conducted for police departments, private industry, criminal defense, and personal matters.  Prices are on a per case basis.  Polygraphs are also conducted in Spanish, as needed.  References upon request.
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Joseph W. Harper & Associates

7750 S.W. 117 Avenue
Suite 303
Miami, FL 33183

Phone: 305-238-7576

Fax: 305-238-3949