Marshfield December 4, 2022 12:40 pm Person of Interest in Marshfield Murder in Custody Christopher Keeley has been wanted in the killings of Carl and Vicki Mattson, a couple in their 70s, who were found stabbed and bludgeoned to death in their home Tuesday night US & World Videos 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct' 4:07 Officer hit and killed while working construction detail in Billerica, authorities say