May 14, 2015 10:10 pm Helping Addicts, not Arresting Leonard Campanello, the police chief of Gloucester, Massachusetts, explains the logic behind his department’s decision to view opiate addiction as a disease and not to arrest users who seek help. US & World Videos 2:39 Student protesters in Boston face new threats 2:04 Understanding the pushback against MBTA's zoning law 1:50 Boston student protesters face new warnings 2:30 Police shoot and kill armed man in Raynham, authorities say 2:02 Protesters at local campuses look on as dozens detained at Columbia