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.
Hammersmith nude murders The Hammersmith nude murders were a series of murders in London, England, in 1964 and 1965. The victimsall prostituteswere found undressed in or near the River Thames, leading the press to nickname the killer Jack the Stripper (a reference to "Jack the Ripper"). Two earlier murders, committed in 1959 and 1963, have also been linked by some investigators to the same perpetrator.