NBC July 23, 2018 6:16 pm William Evans Announces Retirement From Boston Police Boston Police Commissioner William Evans is leaving to lead Boston College’s police and public safety department. US & World Videos 2:11 Pro-Palestinian protests continue at local colleges 2:03 Man shot by police in Raynham pointed gun at officers, bodycam footage shows 2:10 Celtics crush Heat in Game 5 to advance in NBA playoffs 3:51 Lawrence fire officials say illegal apartments are a safety concern 0:24 Police arrest man in Dorchester shooting that injured 5, including 2 kids