Timothy McVeigh, detonator of a truck bomb in front of the Oklahoma federal building, was executed by lethal injection for using a weapon of mass destruction, among other charges.

Timothy James McVeigh was an American domestic terrorist who masterminded and perpetrated the Oklahoma City bombing on April 19, 1995. The bombing itself killed 167 people, injured 684 people, and destroyed one-third of the Alfred P. Murrah Federal Building. A rescue worker was killed after the bombing when debris struck her head, bringing the total to 168 killed. It remains the deadliest act of domestic terrorism in U.S. history.

The Oklahoma City bombing was a domestic terrorist truck bombing of the Alfred P. Murrah Federal Building in Oklahoma City, United States, on April 19, 1995. The bombing remains the deadliest act of domestic terrorism in U.S. history. Perpetrated by anti-government extremists Timothy McVeigh, the mastermind, and accomplice Terry Nichols, the bombing at 9:02 a.m. killed 168 people, injured 684, and destroyed more than a third of the building, which had to be demolished. The blast destroyed or damaged 324 other buildings and caused an estimated $652 million worth of damage. The Federal Emergency Management Agency (FEMA) activated 11 of its Urban Search and Rescue Task Forces, consisting of 665 rescue workers. A rescue worker was killed by being struck on the head by falling debris after the bombing.