IOC - Follow-up doping analysis for Sochi 2014
On December 27, 2017, the IOC (International Olympic Committee) published summary results of the reanalysis (IOC Reanalysis Program) of doping control samples from the 2014 Winter Olympics in Sochi. The investigations focused on evidence of tampering with the doping control samples of Russian athletes. This tampering with doping control samples at the Russian testing laboratory in Sochi during the Winter Olympics prevented doped Russian athletes from being caught during testing.