“The Package Killer” isn’t your typical whodunit. This episode of “Signs of a Psychopath” revisits three cold case murders that were seemingly unsolvable – until now. Thanks to advances in DNA technology, a match has been found, leading investigators to a 73-year-old man who has been incarcerated since 1993 for an unrelated crime. But behind his frail exterior lies a dangerous mind.
As detectives question him, they uncover a chilling portrait of a killer who hid in plain sight, using charm and manipulation to mask his true nature. The episode features archival news footage and the killer’s own words, painting a disturbing picture of a psychopath’s methods and motives. Tune in to “Signs of a Psychopath” Sunday at 10:00 PM ET/PT on Investigation Discovery for a closer look at this chilling case.
