On April 19, 1995, Timothy McVeigh’s bomb demolished almost half of the Alfred P. Murrah Federal Building in Oklahoma City, killing 168 people. Explore details of the building’s design and specific ways in which various structural elements responded to the blast. Is it possible that a few modest changes to the steel reinforcement might have allowed the building to survive with only localized damage? Learn how the investigation of this tragedy has led to a fundamentally new engineering design philosophy.