Poisoning of Alexander Litvinenko
Alexander Litvinenko was an officer of the Russian Federal Security Service (FSB) and its predecessor, the KGB, until he left the service and fled the country.
Litvinenko in 2002
Grave of Alexander Litvinenko at Highgate Cemetery
Alexander Valterovich Litvinenko was a British-naturalised Russian defector and former officer of the Russian Federal Security Service (FSB) who specialised in tackling organised crime. A prominent critic of Russian President Vladimir Putin, he advised British intelligence and coined the term "mafia state".
Litvinenko in 2002
Litvinenko's grave at Highgate Cemetery in 2007
Litvinenko's grave in 2017
The report stated that the FSB operation to kill Litvinenko was probably approved by Nikolai Patrushev (left) and Vladimir Putin