Massachusetts June 1, 2020 6:15 pm How Peaceful Protests Turn Violent A day of peaceful protests in Boston spiraled out of control within minutes. US & World Videos 1:29 Sumner Tunnel in Boston to close for one month 2:17 Testimony underway in Karen Read murder trial 2:03 Mass. school officials threaten to suspend student protesters 2:13 Karen Read trial Day 6: Witness testimony resumes 4:02 ‘To Catch a Contractor' series leading to changes