November 5, 1999 Tampa, Florida
FBI agents arrest James Kenneth Gluck in Tampa, Fla., after he wrote a 10-page letter to judges in Jefferson County, Colo., threatening to "wage biological warfare" on a county justice center. While searching his home, police find the materials needed to make ricin, one of the deadliest poisons known. Gluck later threatens a judge, claiming that he could kill 10,000 people with the chemical. After serving time in federal prison, Gluck is released in early 2001.
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