(CNN) -- Olympic runner Oscar Pistorius has been charged with murder in the death of his girlfriend at his Pretoria, South Africa, home early Thursday. Reeva Steenkamp, 29, and Pistorius, 26, were the only two people in the home at the time of the shooting, police said. In keeping with South African law, Pistorius will be named officially as the suspect when he appears in court. The first court appearance is scheduled for Friday.