State and federal law enforcement agents lead Timothy McVeigh, second from left, from the Noble County Courthouse in Perry, Okla, in this April 21, 1995 photo. He had just been identified as a suspect in the bombing of the Oklahoma City federal building. McVeigh abandoned all appeals and prepared to be executed Monday, June 11, 2001, for the worst terrorist attack ever on U.S. soil. (AP Photo/John Gaps III)