Massachusetts State Police

The Massachusetts State Police (MSP) is an agency of the Commonwealth of Massachusetts' Executive Office of Public Safety and Security, responsible for law enforcement and vehicle regulation across the state. As of 2022, it has 2,067 employees, 1,500 of them being sworn troopers, and 611 civilian support staff, making it the largest law enforcement agency in New England. The MSP is headed by Interim Lieutenant Colonel Jack Mawn.