A man fatally shot by police in Boston on Tuesday was under 24-hour surveillance by anti-terrorism authorities, FBI Special Agent in Charge Vincent B. Lisi said. The suspect, identified as Usaama Rahim, 26, was shot and killed after waving a large military knife at officers, authorities said. "As of right now, we don't think there is any concern for public safety," Lisi said. Rahim was a subject of a terror investigation involving suspected Islamist extremists, law enforcement sources said. Read more http://www.cnn.com/2015/06/02/us/boston-police-shooting/
