Cambridge April 14, 2022 2:25 pm WATCH: Surveillance Video of Cambridge Sex Assault Suspect Cambridge police released surveillance video Thursday of the suspect in an alleged sexual assault near Porter Square. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments