Former FBI agent arrested over ties to Russian tycoon

Former FBI agent Charles McGonigal has been arrested and charged with helping Russian billionaire Oleg Deripaska evade US sanctions, and taking money to investigate one of the tycoon’s rivals.

McGonigal, a former counterintelligence agent responsible for investigating Russian “oligarchs,” was arrested in New York on Saturday, the US Department of Justice said in a statement on Monday. McGonigal was detained along with Sergey Shestakov, a former Soviet and Russian diplomat and court interpreter.