Question: Which group was this American white supremacist leader and convicted felon, who wrote the essay "88 Precepts," a member of?
Sentence (from "David Duke"): David Ernest Duke (born July 1, 1950) is an American white supremacist and white nationalist, politician, antisemitic conspiracy theorist, Holocaust denier, convicted felon, and former Grand Wizard of the Ku Klux Klan.
Relevant evidence: No