December 21, 2017 4:55 pm Riding Along With the BPD Gang Unit A behind the scenes look at the Boston Police Dept. Gang Unit, as they share their experiences on the city’s streets. US & World Videos 2:39 Student protesters in Boston face new threats 1:17 Latest on the Karen Read trial: First responders testify 1:50 Boston student protesters face new warnings 2:30 Police shoot and kill armed man in Raynham, authorities say 1:58 Bruins fans disappointed by overtime loss in Game 5