Bathtub Murder Trial Details Emerge

Doctor stands accused of killing his wife to make room for his lover.
2:06 | 10/19/13

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Transcript for Bathtub Murder Trial Details Emerge
where a doctor is charged with killing his wife to make room for his lover. Taking center stage, a model of a bathtub where neighbors found michelle MacNeill with a lethal dose of prescription drugs in her system. She looked lifeless and collapsed. Reporter: The next door neighbors who rushed to the SCENE OF michelle MacNeill's death, testified on friday AGAINST martin McNeill, on trial for his wife's murder. Were you running? I was running. Reporter: Prosecutors called doug and christy daniels, to describe the bizarre behavior by martin, in the crucial moments when they rushed next door, to find their neighbor standing other his wife's lifeless body in the bathtub. Doug daniels telling the court that martin kept stopping the cpr, to criticize michelle's recent plastic surgery. He would throw his hands in the air. Why would you do this? All because of a stupid surgery. Reporter: But a plastic surgeon testified earlier in the week, that it was martin, not michelle, that seemed more intent on the surgery. Which prosecutors argue was all part of a plan to overmedicate her. The jury heard testimony that the utah doctor declined christy daniel's offer to move his wife's body from the tub. I need help to get her out of the tub. Reporter: That was done to sabotage efforts to save michelle, along with giving 911 operators the wrong address. Was it 305 -- did he give west or south? You know what, he didn't. We tried to get it on him. And nothing came up on our caller i.D. Reporter: Martin macneill's attorney disputed all that. The big question for jurors may be whether there's proof beyond a reasonable doubt, that michelle was murdered at all. For "good morning america," dan abrams, abc news, new york. Michelle's daughters spent years try to bring her mother's killer to justice. A gripping story. Wild case. Dan abrams will stay on it. Let's check the headlines

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

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