sentences:  Tsarukaeva entered the 2008 Summer Olympics as the favourite for the 63 kg event.Tsarukaeva was initially awarded a silver medal at the 2012 Summer Olympics in the Women's 63 kg event.However, on 27 July 2016, the IWF reported that, in the IOC's second wave of re-sampling for doping violations at the 2012 Summer Olympics, Tsarukayeva had tested positive for the steroid dehydrochlormethyltestosterone.