According to the agency, there were three of four video cameras pointing at the front door that could tell you everything that happened at the front door of that building that day. They claim they can't find a single one of them. Every one of those videotapes vanished. Waco: A New Revelation is the film that triggered a new Congressional investigation of the Waco tragedy, and caused the Justice Department and the FBI to reverse their long-held positions on Waco. It has generated a firestorm of events unprecedented in the history of documentary filmmaking.