1. Semion Mogilevich
Semion Yudkovich Mogilevich is a Russian organized crime boss, according to the European and the US federal law enforcement agencies. Although Mogilevich has “good relationship” with the Russian President, Vladimir Putin. The FBI calls him “the most dangerous mobster in the world.” The man is responsible for crimes such as money laundering, security frauds and a number of high-profile conspiracy cases.
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