michael pellgrove, robert haas announced that this evening. at approximately 10:20 p.m., april 18th, police received reports of shots fired on the m.i.t. campus. at 10:30 p.m. an m.i.t. campus police officer was found shot in his vehicle in the area of basser and main streets. according to authorities, the officer was found evidencing multiple gunshot wounds. he was transported to massachusetts general hospital and was pronounced deceased. authorities launched an immediate investigation into the circumstances of the shooting. the investigation determined two males were involved this the shooting. a short time later police received reports of an armed carjacking by two males in the area of third street in cambridge. the victim was carjacked at gunpoint by two males and kept in the car with the suspects for approximately half an hour. the victim was released at a gas station on memorial drive in cambridge. he was not injured. police immediately began to search for the vehicle and were in pursuit of the vehicle into watertown at that time exclosi