Genre: Reality, Crime, Law
Premise: Detectives in major cities around the country race against the clock in the wake of homicides, knowing that if they don't find a lead within the first 48 hours, their chances of solving a case are cut in half. The series shows how detectives use forensic evidence and witness interviews to help identify suspects.
A young mother in Tulsa, Okla., is found shot dead on the side of a road; a photograph taken immediately before the murder provides police with their only clue.
Preview of an upcoming episode.