The killing of Norman Mayer

1982 US: Demanding an end to nuclear weapons, Norman Mayer (b. 1916) was shot and killed by the United States Park Police after threatening to blow up the Washington Monument. Ten hours into the negotiation, Mayer jumped in his van and started to drive off, threatening to become "a moving time bomb in downtown Washington". The police opened fire, striking Mayer four times – twice in the head.