Nobody knew about suburban dad Michael Hendricks’ dark fantasies or his dangerous dalliance with Maggie Ybarra. Behind closed doors, Hendricks and Ybarra nurtured a secret relationship that would turn deadly. In her first-ever interview, Ybarra reveals to Court TV's David Scott what it was like to fall under the spell of the "Devil Next Door" — and how their twisted partnership ended with abusive mind games, a shocking murder, and an innocent life destroyed.