federal auction of his possession. he's serving a prison sentence for killing three people. he where is, the fbi wanted a sample of my dna to compare with a 1982 event in which someone put potassium cyanide in tylenol. >> there has to be probable cause. through circumstantial evidence that the fbi obtains during this investigation, of what they have done that has given rise to this issue. for a long time the focus of the case had been on james lewis who wrote letters to tylenol demanding $100 to stop the killing. 7 people died back in 1982 clawing 12-year-old girl after