Kelly Siegler and Steve Spingola vent their feelings about flaws in the American justice system that lead to cold cases that could have been solved.

Using the latest in DNA science, cold case detectives are determined to finally get justice for six-year-old Carol Ann Stephens in a 60-year-old murder case.

For decades, some criminal cases seemed destined to remain forever shrouded in mystery. Files gathering dust in evidence lockers, families left without answers, and killers walking free — these are ...