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 was also featured in a recent documentary on the history of MI6 called `` The Secrets of Her Majesty 's Secret Service `` which was broadcast in the UK on Yesterday and in the US on PBS.  : //www.pbs.org/program/secrets-her-majestys-secret-service/
The November Man