article_snippet: Critics of Putin have in the past suffered miserable fates.
article_snippet: Last year, a Moscow court sentenced five men to prison for the 2006 killing of Kremlin critic Alexey Navalny.
article_snippet: Business magnate Mikhail Khodorkovsky accused Putin of corruption and spent 10 years in prison and labor camps.
article_snippet: Late last year, Kremlin critic Alexey Navalny was found guilty of fraud in a politically charged trial.
article_snippet: Putin is just food in a prison, eat it or starve.