www.securitymagazine.com/articles/80499-tylenol-case-clue-revived-1

Tylenol case clue revived

January 10, 2010

Chicago Daily Herald, January 9, 2010 Saturday
 A "smudge" left on tampered medicine recovered after the 1982 Tylenol murders yielded no help then, but may be pertinent now that technology has advanced, a retired state official involved in the original investigation told the Daily Herald Friday.