9/11 hijacker Marwan Alshehhi checks out of his hotel in Boston, Massachusetts. It is unclear where he spends the night before 9/11, but at 11:57 a.m. on this day he wires some money to a co-conspirator in the Middle East from the Greyhound bus station in Boston. [US District Court for the Eastern District of Virginia, Alexandria Division, 7/31/2006 ] One eyewitness will claim to see him at Dulles Airport in Washington later this evening (see (Between 8:00 p.m. and 8:45 p.m.) September 10, 2001), but apparently he is back in Boston by the next morning (see (6:20 a.m.-7:27 a.m.) September 11, 2001).