You can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
5/5 Sergeant Fowler takes steps as his suspicions grow over his boss Chadwick's conclusions.
BBC Radio 7
4/5 With boats wrecked and phone lines down, Sergeant Fowler makes an important discovery.
3/5 With a serial killer on Sergeant Fowler's hands, police radios pick up mysterious signals.