FILE – This Sept. 30, 1982 file photo, shows a bottle of Extra-Strength Tylenol from the same lot, number MC 2880, found to have caused cyanide poisoning to people in the Chicago area. The Chicago FBI confirmed Thursday, May 19, 2011, that the agency has asked for DNA from Unabomber Ted Kaczynski in an investigation to see if he may have been involved in the Tylenol poisonings that killed seven people. (AP Photo/File)