Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 41, § 97D

All reports of rape and sexual assault or attempts to commit such offenses, all reports of abuse perpetrated by family or household members, as defined in section 1 of chapter 209A, and all communications between police officers and victims of such offenses or abuse shall not be public reports and shall be maintained by the police departments in a manner that shall assure their confidentiality; provided, however, that all such reports shall be accessible at all reasonable times, upon written request, to: (i) the victim, the victim's attorney, others specifically authorized by the victim to obtain such information, prosecutors and (ii) victim-witness advocates as defined in section 1 of chapter 258B, domestic violence victims' counselors as defined in section 20K of chapter 233, sexual assault counselors as defined in section 20J of chapter 233, if such access is necessary in the performance of their duties; and provided further, that all such reports shall be accessible at all reasonable times, upon written, telephonic, facsimile or electronic mail request to law enforcement officers, district attorneys or assistant district attorneys and all persons authorized to admit persons to bail pursuant to section 57 of chapter 276. Communications between police officers and victims of said offenses and abuse may also be shared with the forgoing named persons if such access is necessary in the performance of their duties. A violation of this section shall be punished by imprisonment for not more than 1 year or by a fine of not more than $1,000, or both such fine and imprisonment.