"As part of our re-examination of the evidence developed in connection with the 1982 Tylenol poisonings, we have attempted to secure DNA samples from numerous individuals, including Ted Kaczynski," the agency said in a statement issued this morning, after The Bee first reported the development. "To date, Mr. Kaczynski has declined to voluntarily provide this sample.
"The investigation into the Tylenol murders remains ongoing. No arrests have been made and no charges have been filed."
Special Agent Royden "Ross" Rice said by telephone that other suspects are being looked at as well, but would not elaborate.
Kaczynski has been in custody since 1996, when he was arrested at his remote one-room cabin in the Montana woods, and Rice said the FBI has had samples of Kaczynski's DNA for some time. However, he added that agents are seeking new samples because of advancements in testing and processing.
"DNA technology has grown in exponential terms and to do a conclusive test we need new samples," he said.