Mass. Gen. Laws ch. 19C, § 3
The commission shall have the following powers and duties:—
(i) to establish within the commission a special investigative unit, which shall have sole responsibility for the initial investigation of all reports of abuse received by the commission in connection with which there is an allegation of criminal conduct. The colonel of the state police shall assign not fewer than five state police officers to the special investigative unit.
The commission shall promulgate rules and regulations establishing procedures to exclude personally identifiable information regarding the subjects of investigations and to carry out the responsibilities of this chapter in such a way as to disclose as little personally identifiable information as possible.