Hasib Mir Hussain Events (3) August 3, 2004: 7/7 London Bombers Stay Free Because of US Outing of Al-Qaeda Operative 2004-08-03 July 7, 2005: 52 Killed in ‘7/7’ Bombings in London; Three Subway Trains and One Bus Are Hit 2005-07-07 2002-2004: 7/7 London Bomber Visits Pakistan at Least Once; Details Murky