Backwoods militias suspected of being behind biowar threat IAN BRUCE THE FBI's domestic terrorism unit is investigating the possible role of illegal militia groups in the spate of anthrax outbreaks in Florida and New York. Timothy McVeigh, the Oklahoma bomber who killed 168 people when he blew up a federal building in 1995, was a supporter of one such group, the National Alliance. Others have threatened to use biological weapons, including anthrax, botulism, and ricin, in their struggle against what they see as a global conspiracy between the US administration and the United Nations to disarm and enslave them. Every ...