The prosecution is expected to wrap its case this week against former Utah doctor Martin MacNeill, who is accused of first-degree murder in the death of his wife.
Defense attorneys for MacNeill say his wife died of natural causes after face-lift surgery; prosecutors allege that MacNeill drowned and drugged his wife to be with his mistress, but there are some things prosecutors will never be able to share with the jury. Here are three of them:
(1.) 'If anything happens to me, make sure it wasn't your dad'
Martin MacNeill's daughter, Alexis, who now goes by her mother's maiden name Somers, said her mother expressed concerns that her husband was trying to kill her before her lifeless body was found in the family's bathtub on April 11, 2007.
Somers, who was a medical student at the time, was by Michele MacNeill's side as she recovered from face-lift surgery. She has already testified that in the days before her mother's death, her father allegedly admitted to overmedicating her mother.
When she asked her mother what happened, Somers said she told her "your dad kept giving me medication. He kept giving me things, telling me to swallow."
What the jury won't hear, however, is that Michele MacNeill also allegedly told her daughter, "If anything happens to me, make sure it wasn't your dad." The judge banned that statement after MacNeill's defense argued it was hearsay, unreliable and would compromise MacNeill's right to a fair trial.
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(2.) MacNeill said he killed his brother and tried to kill his mother, according to reputed mistress
Anna Walthall has already testified about the affair she said she had with Martin MacNeill in 2005. Walthall told jurors that, during "pillow talk" conversations, MacNeill told her he knew how -- without being detected -- to make it look like someone had had a heart attack.
What jurors didn't hear from Walthall, however, are some additional statements she claims MacNeill made to her: That he tried to kill his mother when he was 8 years old, that he killed his brother by drowning him and that he offered to kill her husband.
The defense had wanted all of Walthall's testimony thrown out, arguing she's mentally ill. On cross-examination, Walthall admitted to being diagnosed with dissociative personality disorder and to having dreams about the case.
Prosecutors claim MacNeill killed his wife to continue his affair with another woman, Gypsy Willis.
(3.) A sexual abuse claim made by one of MacNeill's daughters
Alexis Somers accused her father of sexual abuse in October 2007 for inappropriately touching her buttocks. Martin MacNeill allegedly conceded to groping Somers but the sexual abuse charges were dismissed and the file sealed.
Somers was, at the time, embroiled in a custody fight over her four adopted sisters. She won custody of three of them -- Sabrina, Elle and Ada -- after Martin MacNeill terminated his parental rights in 2008. The fourth daughter, Giselle, was later adopted by Michele MacNeill's sister, Linda Cluff.
Martin MacNeill has pleaded not guilty to murder and obstruction of justice charges in his wife's death. Prosecutors say MacNeill drugged and drowned his wife, Michele, on April 11, 2007, to continue his affair with his mistress. MacNeill's defense says the evidence shows Michele MacNeill died of natural causes.
Martin MacNeill faces life in prison if convicted.
What effect do you think these pieces of information would have on their verdict?
At 5 p.m. ET Monday, Evening Express looks at what the jury won’t hear in the trial