Question: Who was the writer of the film in which the twin gangster  performed who were the foremost perpetrators of organised crime in the East End of London during the 1950s and 1960s?
Sentence (from "Drugs and Organised Crime Bureau"): It is headed by a Detective Chief Superintendent and four Detective Superintendents, reporting to the Assistant Commissioner in charge of the "Garda National Support Services".
Relevant evidence: No