Girl Number 9 (2009)

Vincent Boylan has just been arrested, suspected of being behind the brutal murder of seven girls, but the police only have a limited time to get a confession. If they can't make him talk, he could slip through their fingers. Detective Matheson, who is leading the investigation, is sent to try and get some answers. But things soon take a horrifying turn for the worse, as Matheson and his boss Lyndon find out that all is not as it seems.