The Last Weekend In October

When psychiatrist Mark LeBonge's sister is murdered, he enlists her roommate to help identify the killer because neither trust the detective assigned to the casePsychiatrist Mark LeBonge, driven by a strong sense of justice, arrives at the group home for convicted teenage sexual abusers, where his sister has worked the night shift.and finds her murdered. When police Lieutenant Art Krantz, primary on the case, ignores Mark's suspicions about one of the boys in the half-way house, Mark enlists his sister's roommate, Karen Mitchell, to help him identify the murderer.
Mark learns from Karen that Art Krantz and his sister had an affair several years ago, which she broke off because Krantz was married. To complicate matters, Mark also comes to believe the boy he suspects of the murder, is possibly innocent of the crime he was convicted for. The complex twists and turns bring Mark and Krantz into conflict and put Karen in danger as they attempt unravel crimes and conspiracy starting at a group home and ending in high level politics.