The Middlesex District Attorney’s Office (MDAO) serves the largest county in New England, covering 54 diverse cities and towns.
Our core mission is to protect and serve the people who work, live, and raise their families in Middlesex County. Assistant District Attorneys, Victim Witness Advocates, Paralegals, and other talented professionals pursue this mission through exhaustive investigations, unassailable prosecutions, and compassionate victim advocacy.
We are also committed to innovative crime prevention and intervention initiatives. Our staff partners with community groups, social service providers, medical professionals, private industry leaders, and law enforcement officers to address a variety of public safety issues.