In 1995, W. Gene Corley, the “preeminent expert on building collapse investigations and building codes” led the investigation of the structural performance of the Alfred P. Murrah Federal Building in Oklahoma City, following the bombing there. He served as the head of the Building Performance Assessment Team (BPAT) which involved the American Society of Civil Engineers, as well as representatives from the Federal Emergency Management Agency (FEMA), the United States Army Corps of Engineers, the General Services Administration, and the National Institute of Standards and Technology.