Oklahoma City bombing seen a second suspect, who did not resemble Nichols, with McVeigh. Those who expressed sympathy for McVeigh typically described his deed as an act of war, as in the case of Gore Vidal's essay "The Meaning of Timothy McVeigh". The Federal Bureau of Investigation (FBI) led the official investigation, known as OKBOMB, with Weldon L. Kennedy acting as Special Agent in charge. Kennedy oversaw 900 federal, state, and local law enforcement personnel including 300 FBI agents, 200 officers from the Oklahoma City Police Department, 125 members of the Oklahoma National Guard, and 55 officers from the Oklahoma Department of Public
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