Description: 25 years later, DCI Paul Bethell (Philip Glenister) and DC Phil "Bach" Rees (Steffan Rhodri) use DNA to discover the identity of killer of three Welsh girl in 1973 in the four-part true-crime miniseries written by Ed Whitmore. [Premiered originally in the UK on BBC One on 15 May 2023 and in the US on Acorn TV on 27 Nov 2023]