The British documentary `` The Secrets of Her Majesty 's Secret Service '' aired on Yesterday in the UK .
Also , Alexander Litvinenko , the former KGB agent who accused the FSB of this attack , was an agent of British and Spanish intelligence.  This information was also confirmed in a recent British documentary on the history of MI-6 called `` The Secrets of Her Majesty 's Secret Service `` which aired on US PBS stations.
The November Man