This is the case of the murder of Marlen Ochoa-Lopez, a 19-year-old mother who’s time was cut short in a vicious and brutal manner.

When we think of serial killers, we think of brutal men. How could someone so charming, perfect, and normal, become a blood-thirsty monster?

This is the story of John Brennan Crutchley, known to the public as "The Vampire Rapist."