Serial Killers

After a young boy vanished in 1911, police received mysterious postcards. The horrifying allegations and broad inconsistencies led them to believe the notes were a hoax – until it was too late. With one victim recovered, police faced the question: what other murders could these postcards solve? Keep up with us on Instagram @serialkillerspodcast! Learn more about your ad choices. Visit podcastchoices.com/adchoices