The character Ephraim Fabricant was named for real-life murderer Valery Fabrikant , a mechanical engineering professor who shot dead four of his colleagues in what became known as the Concordia University massacre . In addition , the character 's back-story and demise were both intended to echo the case of Jack the Ripper — both were believed to be medically trained , while the use of Fabricant 's kidney to send a message is based on the From Hell letter , sent to the police by the Ripper along with one of his victims ' kidneys
Concordia University massacre
Concordia University massacre
Lamentation (Millennium)