These bloodsucking monsters only starting popping up 25 years ago. Sightings of el chupacabras began in Puerto Rico in 1994 due to the unexplained deaths of many farm animals. In this episode, Dr. Zarka looks at why humans are afraid of a creature that doesn’t prey on humans and traces the journey of the chupacabras from island monster to popular folk legend. Part of the "Monstrum" series.
