Giles McNamara was the father of Trent and Stephanie McNamara, a.k.a. The Ghost Killer. He abused his daughter and locked her in a stable anytime she did anything wrong.
Biography[]
The Nail in the Coffin[]
It is revealed in this episode that occurs 20 years after Maya Zinkow's death (a 15-year-old girl killed by his daughter Stephanie) that he raped her, and paid a medical examiner and judge to falsify the evidence and frame a high school biology teacher to cover up his crimes. The attention given to another person caused his daughter Stephanie to have a psychotic break and to kill Maya out of jealousy which prompted her to become a serial killer.