Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 94C, § 45

Any person arrested for or charged with the criminal violation of any provision of this chapter which constitutes a felony may at the time of arrest or as soon thereafter as is practicable be photographed and fingerprinted according to the system of the state bureau of identification, and upon conviction any such fingerprints and photographs shall be made a part of permanent records of the police department of the municipality where the arrest took place, and without delay two copies of the fingerprints and photographs shall be forwarded, with such other description as may be required and a written history of the offense, to the state bureau of identification.