Anthony Gulluni takes office as relations between communities of color and law enforcement have gained national attention.
Gulluni won the four-way Democratic primary last night, and faces no Republicans or Independents in November.
Democratic voters in Hampden County will choose the area’s next district attorney in Tuesday’s primary, and the winner will face big challenges once in office.
The four candidates vying for the open District Attorney’s seat in Hampden County all agree the criminal justice system needs fixing.
Mastroianni was nominated by President Obama to the U.S District Court in Springfield last September.