To break up the prison riot, a canister of CS tear gas is tossed into the fracas. The same type of gas is what the FBI inserted into the Mount Carmel compound on day 51 of the Waco siege in 1993 to try and force the members of the Branch Davidians religious sect out; some people have claimed that the gas' volatility is what sparked the three fires that began at around noon and quickly engulfed the building, resulting in 76 deaths.