Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer — and the terrifying truth behind the line between victim and predator.
| Actor | Role |
|---|---|
| KKatherine RamslandSelf | Self |
 Wayne HenleySelf (voice) | Self (voice) |