Over his more than two decades at the top of the Kremlin, several of warmonger Putin's opponents from political critics to turncoat spies and investigative journalists have been killed or assaulted in a variety of ways
Poisoning, shooting, imprisonment: The mysterious fates of Vladimir Putin's critics and rivals yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
From the poisoning of former KGB agent Alexander Litvinenko to Yevgeny Prigozhin s fiery plane crash, a number of high profile critics of Vladimir Putin have died, while others are in prison or exile. The Kremlin routinely denies involvement.