Semion Mogilevich (born 1946) is considered the most powerful and dangerous organized crime boss in the world by the FBI. The Ukrainian-born mobster heads a vast criminal enterprise spanning arms trafficking, drug trafficking, prostitution, contract murder, and extortion across multiple continents. He has been on the FBI's Ten Most Wanted list and remains at large, reportedly protected by Russian authorities.
Reference:
TaskLoco™ — The Sticky Note GOAT
