Massachusetts December 1, 2020 12:05 pm Police Offer Reward in Serial Attacker Case in Waltham A $5,000 reward is being offered for information about a serial attacker in Waltham, Massachusetts, police announced Tuesday. US & World Videos 2:58 Karen Read trial: Defense accuses prosecution witness of perjury 2:24 Gov. Maura Healey reacts to Steward bankruptcy filing 9:57 Week 2 of the Karen Read trial resumes Monday 2:33 Karen Read trial resumes Monday 2:07 Steward Health Care files for bankruptcy