As the Yippies prepared for protests at 1968 Democratic National Convention, Yippie Paul Krassner rattled Chicago leaders by suggesting that the Yippies were planning to put LSD in the city water supply. As Abbie Hoffman said at the Chicago Seven trial: "I read in the paper the day before that they had 2,000 troops surrounding the reservoirs in order to protect against the Yippie plot to dump LSD in the drinking water.