UNSOLVED CRIME

Cold Case Detectives, 9pm, ITV1

FANS of the ITV1 drama Unforgotten won’t want to miss this engrossing new three-part series, which meets the real-life cold case detectives who use the latest DNA science to solve decades-old crimes. Tonight, we meet the team determined to finally get justice for six-year-old Carol Ann Stephens, whose murder has gone unsolved since 1959.