** FILE ** Alexander Litvinenko, former KGB spy and author of the book "Blowing Up Russia: Terror From Within", photographed at his home in London in this Friday, May 10, 2002 file photo. Poisoned Russian spy Alexander Litvinenko died on Thursday, Nov. 23, 2006 in an intensive care ward, London's University College Hospital said. Litvinenko, a fierce critic of the Russian government, suffered a rapid deterioration in his health, but doctors had been unable to determine the cause of his death, a spokesman said in a statement. (AP Photo/Alistair Fuller)