" At the time of the murders, the belief that “Jack the Ripper was a killer of prostitutes” helped reinforce this moral code. However, while it served an agenda in 1888, this often repeated line fails to serve any immediately obvious purpose today. Nevertheless, it is still the one “fact” about the murders upon which everyone can agree, and yet it does not bear scrutiny. "

― Hallie Rubenhold , The Five: The Untold Lives of the Women Killed by Jack the Ripper