The Investigation Room is a common location within the DEXTER series. Having been present since the Bay Harbor Butcher Investigation, this room is often used for briefings on major breaks and insight into the current big murder case going on in Miami. This room is infamous for containing a lot of boards with pictures, information on victims, and various emotional connection between characters. Prior to Season Two, the main office area was often used when handling cases such as the Carlos Guerrero case that Sergeant James Doakes used and oftentimes, a briefing would be held in the official conference room by Lieutenant Maria LaGuerta while providing projection slide-show images of the current victims for the Ice Truck Killer.