Stream Waco: The Rules of Engagement Online Free – Watch Full Movie from Home at 123Movies. . In one of the most tragic face-offs in the history of law enforcement, the deadly debacle at Waco pitted the Branch Davidian sect against the FBI in an all-out war. This documentary makes the most of footage and recordings to examine how the events that led to the tragedy of April 19, 1993, unfolded, and how the FBI's unrelenting approach made what was already a bad situation much worse.