Cold case detectives question a suspect in a 40-year-old rape case - investigating unsolved murders, rape and sex crimes, they’re determined to finally get justice.

Using the latest in forensics, detectives interview a fresh witness who could identify the killer of a young Cardiff girl in a 60-year-old murder case.

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.