Mikhail Prokhorov concedes he runs the risk of ending up in prison . Tens of thousands turned out Saturday to protest against election results that returned Putin 's United Russia party to power . The New Jersey Nets owner is worth $ 18 billion . He has been accused by a Russian prosecutor of tax evasion and money laundering. Tens of thousands demonstrate against parliamentary election results on Saturday .
Mikhail Prokhorov concedes he runs the risk of ending up in prison . The New Jersey Nets owner is worth $ 18 billion . He has been accused by a Russian prosecutor of tax evasion and money laundering. Tens of thousands demonstrate against parliamentary election results on Saturday .