Massachusetts April 17, 2024 5:53 pm Motive remains unclear after man throws Molotov cocktail through window of Mattapan home Neither the suspect or the family elaborated on a possible motive in court Wednesday. US & World Videos 2:36 Key witness takes stand in Karen Read murder trial 0:20 President Biden to visit Boston, NH Tuesday 2:14 Karen Read trial: Jennifer McCabe returns to the stand Tuesday 0:51 Haitian cultural center breaks ground in Boston 2:05 Gas leak forces evacuations in Lynn