slaying
![](https://a.espncdn.com/media/motion/2014/0807/dm_140807_oly_pistorius_closing_arguments/dm_140807_oly_pistorius_closing_arguments.jpg?w=660&r=16%3A9)
Pistorius trial's final arguments begin
The chief prosecutor in Oscar Pistorius' murder trial said Thursday the double-amputee athlete's lawyers have floated more than one theory in a dishonest attempt to defend against a murder charge for his killing of girlfriend Reeva Steenkamp.