Paralympic champion Oscar Pistorius, the double-amputee athlete who became famous as the 'Blade Runner' when he competed in the 2012 Olympic Games, has been charged with the murder of his girlfriend after model Reeva Steenkamp was shot inside his South African home. Steenkamp, a model who spoke out on Twitter against rape and abuse of women, was shot four times in the predawn hours in the home, in a gated community in the capital, Pretoria, police said.