about joining Russia. Now to South Africa. A dramatic day in the murder trial of a famous athlete, Oscar Pistorius. We hear his voice as he talks about his girlfriend, reeva steenkamp. Her family just... See More
about joining Russia. Now to South Africa. A dramatic day in the murder trial of a famous athlete, Oscar Pistorius. We hear his voice as he talks about his girlfriend, reeva steenkamp. Her family just feet away from him. ABC's Matt Gutman was there Reporter: Oscar Pistorius broke his year long silence with a tearful apology to the family of his girlfriend, the reality star reeva steenkamp, in his bathroom in 2013. I wake up every morning and you're the first people I think of, the first people I pray for. I can't imagine the pain and the sorrow and the emptiness that I've caused you and your family. Reporter: It was the defenses decision not to allow him to be on video. What we saw here in the courtroom was a broken man. First he was standing like this, talking, his lip quivering and with the rest of the testimony he had to sit down. He has pleaded not guilty saying he mistook the model for an intruder. He told his life story starting with his torturous last year. I have terrible night nears about things that happen at night. I can smell -- -- I can smell and wake up to being terrified. Reporter: In his undying love for reeva. My relationship with reeva, was kind of taken aback by her and just bowled over by how much I felt for her. Reporter: Stuffing his thumbs in his ears. Walking out of court looking weakened. Expected to return to tomorrow to ex-palestine wplain why he pulled that trigger. We turn to a house alert about women and pregnancy.
This transcript has been automatically generated and may not be 100% accurate.