George Floyd June 2, 2020 5:56 pm Understanding the Psychology of the George Floyd Protesters A Harvard Medical School professor helps explain the peaceful protesters and those doing looting at George Floyd protests nationwide, and the deep-seeded trauma at the heart of the issue. US & World Videos 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct' 4:07 Officer hit and killed while working construction detail in Billerica, authorities say