The Oklahoma City bombing nearly 22 years ago was an act of domestic terror bombingConflict.Attack.DetonateExplodeU . S . military veteran Timothy McVeigh and his accomplice , Terry Nichols . The bombing destroyed one third of the Alfred P . Murrah Federal Building in downtown Oklahoma City , Oklahoma , killing 168 people and injuring 680 others . In his documentary killingLife.Die.UnspecifiedOklahoma City , injuringLife.Injure.UnspecifiedBarak Goodman revisits the bombing as the first major domestic terrorist attack in the United States on April 19 , 1995 .