South African Paralympic and Olympic track star Oscar Pistorius attends his trial at the high court in Pretoria April 7, 2014. Pistorius is expected to take the stand for the first time on Monday in a bid to prove his innocence against charges he murdered his model girlfriend Reeva Steenkamp. REUTERS/Deaan Vivier/Pool (SOUTH AFRICA - Tags: SPORT ATHLETICS CRIME LAW)