Now if the Bureau of Alcohol, Tobacco and Firearms comes to disarm you and they are bearing arms, resist them with arms. Go for a head shot; they're going to be wearing bulletproof vests. … They've got a big target on there, ATF. Don't shoot at that, because they've got a vest on underneath that. Head shots, head shots.... Kill the sons of bitches.
Statements on his radio program (26 August 1994), as quoted in "Did MSNBC Know Liddy's History?" at FAIR (29 April 2005)