BOSTON — Four suspects were arrested for trespassing and a loaded firearm was recovered from a motor vehicle Friday evening in Mattapan, according to the Boston Police Department.
Officers assigned to District B-3 responded to the area of 100 Hebron Street at about 7:44 p.m. for reports of an erratic motor vehicle.
Upon arrival, officers observed the suspected vehicle parked and idling in a faculty parking lot with four occupants inside…