An Immigration and Customs Enforcement agent in Maine fatally shot a man in his car on Monday, the Department of Homeland Security said, marking the second time in a week that ICE officers have used deadly force in the U.S. A bull bison chased a 65-year-old man through the trees and flipped him 8 feet into the air at Yellowstone National Park. A photographer who recorded the incident says the man was about 100 yards away with his grandson when the bison suddenly charged. Sen. Lindsey Graham dies at 71 from aortic dissection, according to medical examiner's preliminary findings.