. Agents of the Bureau of Alcohol, Tobacco and Firearms and local Texan authorities bundle up against cold temperatures as the vigil outside the Branch Davidian compound continued for the thirteenth day on March 12, 1993. After a shootout in Waco in 1993 that killed four federal agents and six members of the Branch Davidian religious sect, authorities negotiated with cult leader David Koresh for 51 days. On the final day, April 19, 1993, a few hours after a government tank rammed the cult\'s wooden fortress, the siege ended in a fiery blaze, killing Koresh and 80 of his followers.  Authorities later learned that leader David Koresh had renamed the compound Ranch Apocalypse and prophesied that the end of days from the Bible\'s Book of Revelations would begin there. BOB STRONG/AFP/Getty Images
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