There is no shortage of suspects for the infamous 19th century murders of London prostitutes. During the 1880's, police investigated such men as Montague John Druitt and "Dr." Francis Tumblety. Among the names that have surfaced in recent years include Walter Sickert and Prince Albert Victor. See a full list(1) compiled at Wikipedia.
Graphic: The Nemesis of Neglect from Punch, Sept. 1888