Death Row (2007) (Also released as Haunted Prison)
Plot: Eight convicts are assigned to a work-release program to renovate a decaying, long-abandoned prison that was shut down following a gruesome riot years earlier. As the prisoners and their guards begin the work, they realize they are not alone in the crumbling structure. A mysterious, supernatural killer begins stalking them through the darkness, picking them off one by one in increasingly brutal and inventive ways. To survive the night, the remaining convicts must uncover the dark history of the prison and the identity of the psychopath behind the slaughter.