Question: Whitechapel is a series that depicted a killer who was copying the actions of which unidentified serial killer?
Sentence (from "Edgecombe County serial killer"): The Edgecombe County serial killer, also known as the Seven Bridges Killer, is an as yet unidentified serial killer in the surroundings of Edgecombe and Halifax counties in North Carolina, United States.
Relevant evidence: No