Robert J. Cronin is a recently retired Deputy Sheriff. He was hired to form and command a regional Marine Unit in which the Sheriff’s Office partnered with local law enforcement agencies. Mr. Cronin has over thirty-two years of professional, full time law enforcement experience. His experience ranges from teaching boating safety classes to the general public, teaching for the Massachusetts Harbormaster’s Academy including investigative techniques, patrol procedure, incident command, and watercraft accident reconstruction courses. Prior to becoming the Marine Unit Commander Mr. Cronin was a Police Officer with the Town of Andover, Massachusetts. He was assigned as the Agency’s Safety Officer for over fifteen years and was the lead investigator and Crash Reconstructionist in numerous traffic homicide cases both in Andover and as part of a regional team.
Mr. Cronin’s career is based on a strong investigative foundation. Mr. Cronin was hired as a patrol officer in 1981 and was named to the Detective Division in 1986. There he began to amass the skills required of an investigator, learning techniques in crime scene and case management. Upon completion of this assignment, Mr. Cronin was appointed the agency’s Safety Officer in 1991. This assignment saw the Safety Officer position transform into a unique duty assignment. This position required interfacing with other Agencies on local, state and federal levels as they relate to a wide range of projects and investigations. This also included Mr. Cronin’s duties as the Agency’s “Crash Reconstructionist” as well as a member of the North Eastern Massachusetts Law Enforcement Council Crash Reconstruction Unit. Mr. Cronin then accepted the position of Marine Unit Commander and continued in that position until promoted to the position of Deputy Chief of the Sheriff’s Investigation Unit. Mr. Cronin retired in January 2014.
A 100-ton United States Coast Guard licensed Master; Mr. Cronin has combined his experience and education as a Reconstructionist with his maritime experience making him a distinctively qualified expert in the area of watercraft collision and reconstruction.
Mr. Cronin also has extensive experience testifying in district and superior courts in both criminal and civil actions and has also given testimony before the Massachusetts Great and General Court.