Oscar Pistorius arrived at this South Africa court on Wednesday to give his third day of testimony in his murder trial.<br/> <br />And to walk into this...<br/> <br />Some very difficult cross examination.<br/> <br />During a day of dramatic testimony, Prosecutor Gerrie Nel confronted Pistorius with this gruesome photo.<br/> <br />It shows the head of Pistorius' girlfriend, Reeva Steenkamp, after he'd shot her in the skull.<br/> <br />(SOUNDBITE) (English) PROSECUTOR GERRIE NEL, SAYING:<br/> <br />"Have a look there, I know you don't want to because you don't want to take responsibility, but it's time that you look at it , take responsibility for what you've done, Mr. Pistorius"<br/> <br />Pistorius admits to shooting Steenkamp in his home on Valentine's Day last year, but insists he mistook her for an intruder.<br/> <br />(SOUNDBITE) (English) ATHLETE, OSCAR PISTORIUS, SAYING: (AUDIO ONLY - SOUNDBITE RUNS OVER FOLLOWING PICTURE OF STEENKAMP HEAD AND STEENKAMP MOTHER)<br/> <br />"I have taken responsibility, but I will not look a
