For 10 points, name these 1982 killings in Chicago involving the poisoning of certain over-the-counter substances
Roger Arnold was cleared of involvement in this event, but suffered a murderous nervous breakdown due to media attention. James Lewis was convicted of extortion for demanding one million dollars to end this event. In 2011, the FBI requested DNA samples from the Unabomber while investing this event. For 10 points, name these 1982 killings in Chicago involving the poisoning of certain over-the-counter substances
Roger Arnold was cleared of involvement in this event, but suffered a murderous nervous breakdown due to media attention.
Tylenol murders