Mass. Gen. Laws ch. 22C § 66
The colonel may, at the request of the deputy director of the division of unemployment assistance, appoint as special state police officers employees of said division. Such special state police officers shall serve for one year, subject to removal by the colonel, and they shall have the same power to make arrests as the state police for any violation of section forty-seven of chapter one hundred and fifty-one A and shall have the power to serve warrants and other criminal processes. They shall report to the colonel as to their official acts at such times and in such manner as he may require. They shall serve without pay, except their regular compensation as employees of said division, and they shall receive no fees for service or return of any criminal process.
Mass. Gen. Laws ch. 22C, § 66