Transcript for Oscar Pistorius Brought to Tears in Court
The blade runner against the bull terrier. Oscar Pistorius brought to tears by a tenacious prosecutor. The murder trial is picking up again tomorrow. The same kind of fireworks? What effect could this have on the judge deciding this case? Reporter: Good morning to you, Dan and bianna. When Oscar Pistorius was in the witness box in the courthouse behind me he was feeling the pressure, his voice was trembling, he was breaking down, crying again and again. It's not over yet. Oscar Pistorius can expect more grueling cross examination when he returns to the stand on Monday. If you waited a second to see if the door would open, you would not have fired. It's a possibility, my lady. Reporter: The prosecutor relentless in his questioning. Likely pushed Pistorius harder with inconsistencies in his testimony. At times, he was emotional. I will not look at a picture where I am tormented by and saw that night. Reporter: Nicknamed the bull terrier. Say, yes, I killed, I shot and kid reeva steenkamp. Reporter: Testifying that he heard his bathroom door kicked and then saying it was false. You can't give contradictory versions and then apologize. I made a mistake. If you are tired and you're making these mistakes because you're tired, you must say so. H argued. He didn't listen to the question. Reporter: With no smoking gun and with her judge and her assistants being the final arbitrators, what he says next week will be critical. The prosecutor is expected to pick up where he left off. This is a critical moment in this trial. Dan and bianna. Potentially several more days of this showdown between the prosecutor and the defendant in this case. Lot of other news overnight. Let's get it back to Ron.
This transcript has been automatically generated and may not be 100% accurate.