waltham attacks November 29, 2020 11:45 pm Serial Attacker Remains on the Loose in Waltham Police released video of the suspect they believe has committed 10 random acts of violence. US & World Videos 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments 1:40 Heavy police presence near on-campus protests 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail