Pistorius, a double amputee is accused of killing Reeve Steenkamp by shooting her through a bathroom door at his upscale home in South Africa last week.
Pistorius cried as prosecutors described him putting on his legs and then walking to the bathroom where his girlfriend was hiding and firing at least three shots though the door.
As the hearings continue a dark side of the Olympic and Paralympic star has come to the forefront saying he was prone to violent outbursts.