J.K. Rowling Explains Flaw Of Grindelwald

According to Business Insider, "In an extra titled "Grindelwald's Escape and the Ring of Fire" — available on the "Fantastic Beasts: The Crimes of Grindelwald" Blu-ray — J.K. Rowling gave more insight into the film's titular villain..." Grindelwald. She stated, "This movie deals with the rise of an autocrat," Rowling said. "I actually had a complete idea of who he was and what his story was, even though it never appeared in the 'Potter' books: He's a sociopath."