Matt Murphy

Matt Murphy: Email & Phone Number

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Detective Investigator at Nassau County District Attorney|Mineola, New York, United States

Position:

Detective Investigator at Nassau County District Attorney

Location:

Mineola, New York, United States

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Last updated: 2026-07-10
Updated: 2026-07-10

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Work Experience 39 years

Detective Investigator at Nassau County District Attorney

May 2022 - Current

Senior Special Investigator at Nassau County Dept. of Social Service

Jan 2018 - Apr 2022

Owner & CEO at RJK Investigations LLC

Jul 2011 - Apr 2022

Special Investigator at U.S. Office of Personnel Management (OPM)

Sep 2013 - Jan 2019

Detective Second Grade at New York City Police Department

Apr 1991 - Jun 2011

Lifeguard at Dept Of Parks and Recreation

May 1987 - Sep 1990

Matt Murphy started working in 1987, then the employee has changed 5 companies and 5 jobs. On average, Matt Murphy works for one company for 8 years.

Their professional focus is Civil Litigation, Criminal Investigations, and Investigation across 3 core areas.

Matt holds Certified Social Media Intelligence Analyst, Certified Welfare Fraud Investigator, and NYPD Honor Legion certifications.

Education

Bachelor of Science - BS at Empire State University

Federal Law Enforcement Training Center

Undergraduate Curriculum at New York City Police Academy

Associate of Arts - AA at Kingsborough Community College

High School Diploma at Msgr. McClancy High School

Matt Murphy Namesakes

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Matt Murphy
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