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 surprise them all by lasting until Christmas, that would be fantastic." On 29 May 2010, Biggs was again admitted to hospital in London after complaining of chest pain. He underwent tests at Barnet Hospital. His son Michael stated, "he's conscious but he's in a lot of pain". In August 2010, it was claimed by the "Sunday Mirror" that Biggs would be attending a gala dinner where he would be collecting a lifetime achievement award for his services to crime. On 10 February 2011, Biggs was admitted to Barnet Hospital with another suspected stroke. His son Michael said he was conscious