Aryan Republican Army Kansas reported that McVeigh and Brescia were frequent associates, while Guthrie bore a distinct physical resemblance to "John Doe Number Two". Timothy McVeigh's sister, Jennifer, also claimed that he had been one of the participants in several, unspecified bank robberies. David Paul Hammer, a convicted murderer who was imprisoned with McVeigh at the United States Penitentiary, Terre Haute, has alleged that McVeigh told him details of the Oklahoma City bombing that contradict the account related in court. According to Hammer, McVeigh claimed to have been working as a deep cover operative for the US Department of Defense, having infiltrated ARA
Oklahoma City bombing McVeigh timed his attack to coincide with the second anniversary of the deadly fire that ended the siege at the Branch Davidian compound in Waco, Texas. The official investigation, known as "OKBOMB", saw FBI agents conduct 28,000 interviews, amass 3.5 short tons (3,200 kg) of evidence, and collected nearly one billion pieces of information. The bombers were tried and convicted in 1997. McVeigh was executed by lethal injection on June 11, 2001, and Nichols was sentenced to life in prison in 2004. Michael and Lori Fortier testified against McVeigh and Nichols; Michael was sentenced to 12 years in prison for