July 13, 2016 7:35 pm Public Perception Examined in Cambridge Police Department The Cambridge Police Department is taking a hard look at the public perception of policing in America and inside its own department. US & World Videos 1:36 Salisbury shoreline needs help before possible catastrophe, officials say 4:22 This app helps you find binge-worthy TV 1:23 Canton firefighter testifies in Karen Read murder trial 0:45 Karen Read trial Day 3: Witness testimony resumes 1:56 Campus unrest continues at Boston schools