Anatoly Vasilyevich Trofimov was a head of the Soviet KGB investigation department. He personally supervised all Soviet dissident cases including Sergei Kovalyov, Gleb Yakunin, Alexey Smirnov, and Yuri Orlov. He was later a deputy director of the Russian Federal Security Service and became a mentor and supervisor of Alexander Litvinenko. He was assassinated in April 2005 by unidentified gunmen in Moscow.