Filmmaker Left ‘Devastated’ After Learning Charles Manson Was Her Grandfather

Bettmann / Bettmann Archive A filmmaker says she was left “devastated” after an ancestry test revealed one of America’s most infamous killers was her grandfather. Sophia Maddox, 26, told the New York Post she broke down in tears after learning her father, Daniel Arguelles, was the biological son of Charles Manson, the cult leader convicted in the notorious 1969 murders that terrorized Hollywood. Maddox recalled feeling “dumbstruck” as her father comforted her, assuring her they were “nothing…