Bailey Koster Sable was student at the Hillside Preparatory School in Porter Ranch from 1986 until 1990, and a friend of Rebecca Verloren, Tara Woods, and Grace Tanaka. By the Fall of 2004, she had taken a teaching position at Hillside Prep, and in May of 2005, she was interviewed by LAPD detective Kizmin Rider and Harry Bosch concerning Verloren's 1988 murder.