The world was stunned on April 19,1995, by the bombing of the Alfred P. Murrah Federal Building in Oklahoma City that killed 168 people. This book is a riveting, detailed explanation of the FBI's investigation—the largest criminal investigation in history. It is intended to provide a much-needed factual history of the case. It will dispel the various inaccurate and irresponsible theories that this notorious event spawned. Hersley and Tongate, the primary agents on the case, wrote the book with Burke, an Oklahoma City attorney and historian.