Edge of Darkness policy debate about energy and environmental issues. Advice on the policing aspects of the serial was provided by the West Yorkshire Police and former Scotland Yard detective Jack Slipper, famous for his pursuit of the train robber Ronnie Biggs. The musical score was provided by Eric Clapton and Michael Kamen. Clapton was approached to provide the score by producer Michael Wearing. Shortly afterwards, when Michael Kamen brought Clapton to a screening of "Brazil" (1985), which he, Kamen, had scored, Eric suggested a collaboration between the two on "Edge of Darkness". Kamen became one of Hollywood's most successful film composers, writing
Ronnie Biggs tried to go straight and trained as a carpenter. In February 1960, he married 21-year-old Charmian (Brent) Powell in Swanage, the daughter of a primary school headmaster. They had three sons together. Biggs, who needed money to fund a deposit on the purchase of a house for his family, happened to be working on the house of a train driver who was about to retire. The driver has been variously identified as "Stan Agate", or because of his age, "Old Pete" or "Pop". His real name is unknown, since he was never caught. He was the one who introduced Biggs