Doctor Charged in Wife's Death: Daughters Stare Down Dad in Court

Martin MacNeill's daughters believe he is responsible for their mother's drowning.
3:00 | 08/28/12

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Transcript for Doctor Charged in Wife's Death: Daughters Stare Down Dad in Court
prominent doctor charged with killing his wife. He made his first appearance in court on monday. Also in the courtroom, staring him down, two of his daughters, who pushed police to file murder charges. Abc's lynindssey davis joins us with the latest. Reporter: Martin macneill's daughters pushed for their father to stand trial for their mother. One of them, said it was the first time she'd seen her dad in more than three years. In the past, he gave them angry looks. But this time, what she and other family members were holding, made him look away. If looks could kill, martin MacNEILL WOULDN'T BE THE ONLY Ones on trial for murder. This is what the texas doctor faced as he made his first court appearance monday for the 2007 murder of his wife. Two of his daughters and other family members, holding up pictures of their mother, michelle MacNeill, as they glared at their shackled father in the courtroom. She meant so much to so many people. And he took away from everyone. This is our mother. She's unconscious. Reporter: The once-prominent doctor who made this frantic 911 call five years ago, is now accused of an elaborate murder plot, insisting his wife had a full face-lift, before drowning her in the bathtub. He created circumstances that were unusual and point to guilt. Reporter: Her daughter, alexis, warned her something was sinister in the works. If something happens to me, make sure it wasn't your father. Reporter: Eight days after SURGERY, michelle MacNeill was dead. The initial determination of natural causes can change if circumstances develop. Reporter: Police say macneill had a strong motive, including at least two extramarital affairs. But he maintained he did not kill his wife. He adamantly professed his innocence from the beginning. And I'm confident when the case is heard, the jury will conclude he's not guilty. Reporter: But after five years of trying for their father to be tried for their mother's murder, his daughters say they will spend every day in court until justice is served. It will be a struggle. But we know the truth. Reporter: According to prosecutors, another woman who said she had an affair with MacNEILL, TOLD HER PSYCHIATRIST She was an affair with a serial killer. that MacNeill had tried to kill his brother and that he also killed his brother in a bathtub, ALTHOUGH, MacNEILL WAS NEVER Charged in his death. He is scheduled to go back to court next week.

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

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