what has happened. he has to live with the weight of it. i set over and i cried. an in-depth look at the story that stunned the world. murder and the blade runner. olympic runner, oscar pistorius, is charged with the murder of his girlfriend. you realize she is not coming back and it hits you. you can t deny that reeva was killed by himself, at his house. what everybody will be watching for is whether he can prove he intended to kill? i did not kill reeva. you want to believe him, you really, really, really want to believe him. hello, and welcome to dateline. reeva and oscar pistorius were a dazzling couple . she was a brilliant model, he was an athlete famous for defying the odds. their futures glowed with promise, then, reeva was gunned down. as police investigated, a chilling question transfixed the world, was her death an accident, or it was south africa s national hero a murderer? here is keith morrison with the rise and fall of oscar pistorius. s