Waco: Madman or Messiah

A raid on the Branch Davidians by the Bureau of Alcohol, Tobacco and Firearms leads to a 51-day standoff with the FBI, ending in a tragic fire that kills 76 members of the Branch Davidian community, including 22 children.
Part 2
S1 E2

The raid of Mount Carmel becomes a 51-day stand-off; after trying to convince Koresh to release the women and children from inside the compound, the FBI inserts tear gas into the buildings.