Currently, state law does not consider a killing a double homicide when an expectant mother is slain.

CNN: Pregnant mom stabbed on her newspaper route

Prosecutor Gerrie Nel told the court that on the night of the killing Mr Pistorius - a double amputee - got up, put on his prostheses, walked seven metres (24ft) and fired his gun through the bathroom door.

BBC: Oscar Pistorius 'shot Reeva Steenkamp in bathroom'

Pistorius, the 26-year-old double amputee track star, is accused in the killing of his girlfriend, Reeva Steenkamp, 29, last month.

CNN: Botha, former Pistorius detective, off police force