. "\"Leather Apron\""@en . "Jack the Ripper is the best known name given to an unidentified serial killer generally believed to have been active in the largely impoverished areas in and around the Whitechapel district of London in 1888. The name \"Jack the Ripper\" originated in a letter written by someone claiming to be the murderer that was disseminated in the media."@en . . "British serial killer" . "\"The Whitechapel Murderer\""@en . "Ripper, Jack the"@en .