This is the story of David Koresh and the infamous Waco Siege of 1993. David Koresh was the leader of the Branch Davidian religious sect, which was based in Waco, Texas. In February 1993, the Bureau of Alcohol, Tobacco, and Firearms
From Wikipedia
David Koresh was an American cult leader and preacher who played a central role in the Waco siege of 1993. As the head of the Branch Davidians, a religious sect, Koresh claimed to be its final prophet. His apocalyptic Biblical teachings, including interpretations of the Book of Revelation and the Seven Seals, attracted various followers.