It sounds like something straight out of a noir film -- an unidentified killer goes on a murder spree and disappears in a clean getaway, taunting the cops before disappearing. Unfortunately, this phenomenon isn't limited to the world of fiction. Listen in to learn more about killer who (so far) vanished into thin air. They don’t want you to read our book.They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/See omnystudio.com/listener for privacy information.