The defense team for Oscar Pistorius has wrapped up its closing arguments, and so the murder trial of the South African sports icon comes to an end.<br/> <br />(nats defense)<br/> <br />"And that's the crux of the case."<br/> <br />All along, the defense team has said the shooting death of Pistorius' girlfriend, model Reeva Steenkamp, in his Pretoria home last year was a tragic accident.<br/> <br />They say Pistorius thought she was in intruder behind a locked bathroom door.<br/> <br />Lead defense attorney Barry Roux.<br/> <br />(SOUNDBITE) (English) DEFENSE ATTORNEY BARRY ROUX SAYING: (SOUNDBITE STARTS OVER SHOT 2)<br/> <br />"When he heard the noise, was he negligent? Was he acting reasonable? It's a value-judgement."<br/> <br />But the prosecution has portrayed Pistorius as a hot head, obsessed with guns.<br/> <br />Prosecutor Gerrie Nel ended the proceedings by cutting through months of complex evidence -- and returning to the core of his argument.<br/> <br />(SOUNDBITE) (English) STATE PROSECUTOR GERRIE NEL, SAYING:<br/> <br />"The a