Using the latest developments in DNA science, cold case detectives are determined to finally get justice for six-year-old Carol Ann Stephens, whose murder in 1959 has gone unsolved since then.

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 developments in forensic science to uncover new evidence, a specialist team from South Wales Police are determined to finally get justice for historic cases of murder, rape and sexual assault, including for murdered six-year-old girl Carol Ann Stephens.

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