The Tenth Anniversary by R D Wingfield

There is an outstanding unexplained murder and every year on the anniversary of the murder, Det-Insp Ridley revisits the scene of the crime. On the tenth anniversary he disappears....
Porter:…….Edward Kelsey
Det-Insp Ridley:…….John Graham
Det-Insp Henley:…….Michael Kilgarriff
Det-Sgt Green:…….John Rye
Det-Insp Saddler:……..Peter Pratt
PC Hart:…….Ronald Herdman
John Manning:………John Graham
Valery West:…….Sian Davies
Producer: Glyn Dearman
February 1972