The hacking group Fancy Bears, as part of its so-called #OpOlympics, has released emails between US Anti-Doping Agency (USADA) employees that it says proves that American athletes have taken banned substances.
Fancy Bears' - Hack Team
Fancy Bears hacker group releases emails claiming cover-up of US athletes’ drug tests
WADA details response to Fancy Bears' hacking | Cyclingnews.com
WADA explains how Fancy Bears hackers got into athletes' confidential medical files - Cycling Weekly
Fancy Bears' HT (@FancyBears) | Twitter