Retired FBI profilers Julia Cowley, Angela Serser, Susan Kostler-Drew, and Bob Drew launch a multi-part series analyzing the unsolved 1982 Tylenol murders. They examine the timeline of seven cyanide deaths in Chicago, the lack of tamper-evident packaging, and the massive investigation that followed. The episode outlines the collective victimology and introduces the two primary suspects, Roger Arnold and James Lewis, noting that Lewis was convicted of extortion but never charged with the killings. The hosts set the stage for a detailed behavioral analysis of the offender’s method, motive, an…