Ex-Wife Cross-Examined in Hot Car Trial

Leanna Taylor was grilled by prosecutors about the alleged double life of her now ex-husband, Justin Ross Harris, who is accused of leaving their 22-month-old son in a hot car.
2:12 | 11/02/16

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Transcript for Ex-Wife Cross-Examined in Hot Car Trial
We will get to that. Right now on the hot car trial in Georgia and the defendant's ex-wife is back on the stand grilled by prosecutors about her husband's double life as she defends him against murder charges and, boy, Amy, another emotional day of testimony. It was incredibly emotional and one thing that both the prosecution and the defense seemed to be able to agree upon, Justin Ross Harris had been living a double life before leaving his 22-month-old son cooper behind in that hot car. You would agree that that was somebody completely different than the person you married? I would agree that was a part of his personality, that he did not share with me. Reporter: Harris' now ex-wife Leanna Taylor grilled by the prosecution during a second day on the stand confronted about her husband's affairs and sexting with other women including the morning of their son's death. Did he ever tell you that he'd gotten up at 5:43 A.M. Around then or was awake at that point messaging strangers? No, he destroyed my life. Reporter: Prosecutors say Harris intentionally left cooper to die in that car because he wanted a child-free life. Taylor telling jurors his infidels broke their marriage. The couple divorcing earlier this year. I'm humiliated. I may never trust anybody again. The way that I did. If I never see him again after this day that's fine. Reporter: But despite that she insists he was a good father and is no murderer. Did Ross love this little boy. Yes, he did, very much. Reporter: Harris has pleaded not guilty saying he simply forgot his son was in the backseat as he went into his office on a 90-degree day. One of his co-workers testifying that Harris was, indeed, a forgetful person. I've been in incidents with him where he's -- he is for getful. Reporter: His own brother telling the court while he was not perfect he could never kill his own son. I think he loved cooper more than life itself. I'll never believe anything but that. Taylor said she has not spoken to her ex-husband since she tied for divorce in February and moved to Alabama to be closer to her family and there's a lot for the jurors to digest. You got that right, Amy. Thank you.

This transcript has been automatically generated and may not be 100% accurate.

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