MDAA is an independent state agency whose mission is to support the eleven elected Massachusetts District Attorneys and their combined staff of 1500 employees, including 700 prosecutors and 250 victim-witness advocates.

The District Attorneys prosecute approximately 300,000 cases annually. MDAA supports the District Attorneys by managing statewide business technology services and administering grants in the areas of Violence Against Women, Motor Vehicle Crimes, and federal technology grants. MDAA also produces publications for prosecutors and victim-witness advocates, hosts dozens of prosecutor trainings annually, and provides information on budgetary, criminal justice and public safety issues to the executive and legislative branches.