Our Polygraph Services
Diagnostic Polygraph Testing
The polygraph examiners at PRPA have decades of experience administering Single and Specific Issue Polygraph Examinations to formulate the best polygraph examinations possible.More About Diagnostic Polygraph Testing
Pre-Employment Polygraph Screening
We use our years of professional interviewing experience and assist the applicant to overcome their anxieties and encourage honesty throughout the pretest interview.More About Pre-Employment Screening
Post Conviction Sex Offender Testing
The goal of Post Conviction Sex Offender Testing (PCSOT) testing is to increase the public's safety by validating sex offender risk-assessment, risk-management and treatment planning decisions.More About Post Conviction Testing
Michael earned a Bachelor’s Degree in Psychology from Providence College in 1975. He began his law enforcement career in 1980 when he joined the Arizona Highway Patrol.
He later joined the New Hampshire State Police and retired as a Detective Sergeant from their Major Crimes Polygraph Unit.Continue Reading
Warren began his law enforcement career with the Hull, Massachusetts Police Department and was later hired as a Maine State Trooper.
He retired from the Maine State Police polygraph unit as a Quality Assurance Supervisor in 2014 and opened up his private polygraph business.Continue Reading
Who We Work With
We provide Confidential polygraph examinations to help exonerate the innocent.
Probation & Treatment
Our Experts discover valuable information needed to maintain offender compliance.
PRPA Polygraph Experts help to bring closure by helping rectify personal and civil matters.
We administer pre-employment polygraph screening examinations to Public Safety Applicants.
Updates From Our Blog
Parlin and Ranhoff Professional Associates is proud to announce that their associate, Polygraph Examiner Warren W. Ferland was recently appointed by Governor Paul R. LePage to Maine’s Polygraph Examiners Advisory Board effective September 9, 2016. The Polygraph Examiners Advisory Board, as established by Title 5, section 12004-I, subsection 74-H, shall act as an advisory board […]Continue Reading
Our polygraph examiners at Parlin and Ranhoff Professional Associates have extensive experience administering diagnostic and screening polygraph examinations.Continue Reading