"He commended the September 11 terrorist attacks in 2001, saying “I want to see the U.S. wiped out.” He was then arrested in 2004 for traveling in Japan with an American passport that had been revoked, and in 2005 he applied for and was reward full Icelandic citizenship. He would live the last years of his life in Iceland in obscurity, inching ever closer to total madness."

https://allthatsinteresting.com/bobby-fischer

"If chess was simple for Fischer, his family life was far more complicated. The film sheds light on how, even as Fischer famously sought to end Communist supremacy on the chessboard, his own mother was said to be a Soviet spy, with a 900-page file bearing her name residing with the Federal Bureau of Investigation."

https://m.rediff.com/sports/column/bobby-fischer-the-greatest-chess-player-ever/20200203.htm