Shooter Who Sprayed Dozens of Rounds at Passing Cars in Cambridge Previously Got in Gunfight With Police, Freed By Woke Judge After Just 3 Years | 12 May 2026 | A 46-year-old career criminal with a long rap sheet, including a 2020 shootout in which he fired thirteen rounds at Boston police officers, was caught on video Monday afternoon walking down a major Boston-area roadway and indiscriminately opening fire on passing vehicles with a semi-automatic rifle. Tyler Brown, of Dorchester, sprayed 50 to 60 rounds along Memorial Drive in Cambridge around 1:30 p.m. on Monday. Two innocent drivers were struck and left in critical condition. Brown continued firing until a Massachusetts State Police trooper shot him, ending the rampage. A former Marine who was driving nearby also reportedly assisted in stopping the threat.