Jekyll and Mr. Hyde was converted into a play that became one of the most demanded in town. A man named Richard Mansfield was given the difficult double-part lead in the play. Three weeks after the adaptation of Stevenson’s work opened, a prostitute was found sadistically butchered in Whitechapel. She was the first victim of the infamous Jack the Ripper. Due to the timing, people inevitably began making associations between Jack the Ripper and the characters of Stevenson’s book. “Many people connected Stevenson’s outwardly respectable Dr Jekyll and the murderous Mr Hyde with the invisible East End killer. The newspapers routinely referred to the murderer as Mr Hyde” (Flanders 1). The similarities between Jack the Ripper and Mr. Hyde were so strong that “One member of the public even sent the police a letter denouncing Mansfield: ‘I should be the Last to think because A man take A dretfull Part he is therefore Bad but when I went to See Mr Mansfield Take the Part of Dr Jekel and Mr Hyde I felt at once that he was the Man Wanted…I do not think there is A man Living So well able to disgise Himself in A moment…’” (Flanders 1). Jack the Ripper was extremely successful at hiding his identity since he was never caught. “Despite countless investigations claiming definitive evidence of the brutal killer's identity, his name and motive are still unkown. The moniker "Jack the Ripper" originates from a letter written by someone who claimed to be the Whitechapel butcher, published at the time of the attacks” (Biography.com Editors 1). Jack the Ripper most likely had a dual identity he used while in the public’s perspective, just like Dr. Jekyll with Mr. Hyde. Though Jack the Ripper and Mr. Hyde are completely separate entities, they share a feature psychologically that drives them to kill. There is a strong association between Jack the Ripper and the lead characters in The Strange Case of Dr. Jekyll and Mr.