Christopher Keeley, the Weymouth man accused of killing a Marshfield couple and their dog in late 2022, appeared in Plymouth Superior Court this week.
Police say Keeley killed Carl and Vicki Mattson, both 70, inside their Marshfield home just after Thanksgiving in 2022. He is also accused of killing the family dog by locking it inside the oven.
At the March 3 hearing, attorneys discussed issues related to discovery ‒ the exchange of evidence that happens prior to trial ‒ privately with Judge William Sullivan at sidebar. The next hearing was scheduled for April 10 at 2 p.m…