What is Alexander Litvinenko?
'''Alexander Valterovich Litvinenko''' (30 August <ref>{{cite web|url=https://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/11/25/db2502.xml|title=Alexander Litvinenko birth date|date=2006-11-25|publisher=The Daily Telegraph|access-date=2021-07-14|archive-date=2008-01-16|archive-url=https://web.archive.org/web/20080116084311/http://www.telegraph.co.uk/news/main.jhtml?xml=%2Fnews%2F2006%2F11%2F25%2Fdb2502.xml|url-status=dead}}</ref> or 4 December <ref>{{cite web|url=http://www.timesonline.co.uk/article/0,,60-2470058,00.html|title=Alexander Litvinenko birth date|date=2006-11-25|work=[[The Times]]|access-date=2007-01-17|archive-date=2008-02-10|archive-url=https://web.archive.org/web/20080210055247/http://www.timesonline.co.uk/article/0,,60-2470058,00.html|url-status=dead}}</ref> 1962 – 23 November 2006) was a [[lieutenant]]-[[colonel]] in the Russian Security Service. Later he was a [[dissident]] and [[writer]] who was later poisoned and killed in 2006. In September 2021, the [[European Court of Human Rights]] ruled that Russia was responsible for Litvinenko's poisoning.<ref>{{Cite news|last1=Faulconbridge|first1=Guy|last2=Holden|first2=Michael|date=21 September 2021|title=European rights court rules Russia was behind Litvinenko killing|work=Reuters|url=https://www.reuters.com/world/european-court-rules-russia-was-behind-litvinenko-killing-2021-09-21/|access-date=21 September 2021}}</ref> ==Background== Litvinenko worked for the [[KGB]] and the [[FSB (Russia)|FSB]] through the 1980s and 1990s. Later, he accused his bosses of planning to assassinate Russian billionaire [[Boris Berezovsky]]. As a result, he was arrested, but later released by Russian authorities. Afterwards, he fled to the [[United Kingdom]] and was given British citizenship. While he was in Russia, Litvinenko tried to publish a book in which he said [[President of Russia|President]] [[Vladimir Putin]] rose to power with help of the FSB. He said the FSB tried to cover this up by frightening Russians by bombing apartment buildings in Moscow. He