Question: Who is the British hangman who developed a new hanging technique and demonstrated it first at the Lincoln Castle in Lincoln, England?
Sentence (from "William Frederick Horry"): William Frederick Horry, also known as Fred Horry (December 1843 – 1 April 1872), was the first person to be hanged by Victorian hangman William Marwood, and the first to fall using the long drop method.
Relevant evidence: Yes