A tractor trolley carries the wreckage of a helicopter that crashed next to the wall of a compound where according to officials, Osama bin Laden was shot and killed in a firefight with U.S. forces in Abbottabad, Pakistan on Monday, May 2, 2011. Bin Laden, the glowering mastermind behind the Sept. 11, 2001, terror attacks that killed thousands of Americans, was killed in his luxury hideout in Pakistan early Monday. (AP Photo/Aqeel Ahmed)
