 According to articles Ridgen read in "The Clarion Ledger" newspaper from 1999/2000, Don Whitehead's "Attack on Terror" (1970), and the Southern Poverty Law Center's online memorial, Moore was killed by Klan members who picked up him and his friend Henry Hezekiah Dee while they were hitchhiking on May 2, 1964.They abducted the two youths and killed them both, dumping them in the river.They were found on two successive days in July 1964.