Terry Lynn Nichols is an American domestic terrorist who was convicted for conspiring with Timothy McVeigh in the Oklahoma City bombing plot. Prior to his incarceration, he held a variety of short-term jobs, working as a farmer, grain elevator manager, real estate salesman, and ranch hand. He met Timothy McVeigh during a brief stint in the U.S. Army, which ended in 1989 when he requested a hardship discharge after less than one year of service. In 1994 and 1995, he conspired with McVeigh in the planning and preparation of the truck bombing of the Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, on April 19, 1995. The bombing killed 168 people.

The Alfred P. Murrah Federal Building was a United States federal government complex located at 200 N.W. 5th Street in downtown Oklahoma City, Oklahoma. On April 19, 1995, at 9:02 a.m. the building was the target of the Oklahoma City bombing by Timothy McVeigh and Terry Nichols, which killed 168 people and injured 680 others. A third of the building collapsed seconds after the truck bomb detonated. The remains were demolished a month after the attack, and the Oklahoma City National Memorial was built on the site.