WADA Informant Rodchenkov Sues Russian Businessman Over Defamation Lawsuit

MOSCOW (Sputnik) - The World Anti-Doping Agency's (WADA) informant Grigory Rodchenkov, on Monday filed a lawsuit in the US against former head of the Russian Biathlon Union Mikhail Prokhorov, who was financially backing a defamation lawsuit filed by three Russian female biathletes against the whistleblower, Rodchenkov’s lawyer Jim Walden said.