Eileen Elizabeth Sheridan was known for her association with a firm headed by  English gangsters who were the foremost perpetrators of what in the East End of London?
Kray twins Twin brothers Ronald "Ronnie" Kray (24 October 193317 March 1995) and Reginald "Reggie" Kray (24 October 19331 October 2000) were English gangsters who were the foremost perpetrators of organised crime in the East End of London during the 1950s and 1960s. With their gang, the Firm, the Krays were involved in armed robberies, arson, protection rackets, assaults and the murders of Jack "the Hat" McVitie and George Cornell.
Turnmill Street Turnmill Street is a street in London. It runs north-south from Clerkenwell Road in the north, to Cowcross Street in the south. One of the oldest streets in London, it has been variously known as Turnmill and Turnbull Street over its history. During the Elizabethan era, under the name Turnbull Street it became "the most disreputable street in London", notorious as a centre of crime and prostitution.