Outburst During UNH Murder Trial

Published: 8/10/2016 4:04:36 PM
Modified: 6/11/2014 12:00:00 AM
Dover, n.h. — The star witness against a man charged with raping and strangling a University of New Hampshire college student broke down on the stand Tuesday, saying she can’t get the image of the victim’s death out of her mind.

Kathryn McDonough is a former girlfriend of defendant Seth Mazzaglia, who’s charged with first-degree murder in the death of Elizabeth “Lizzi” Marriott on Oct. 9, 2012.

During her fourth day of cross-examination, McDonough began sobbing as she blurted out that she couldn’t remember minor details from that night because the image of Mazzaglia strangling Marriott, who was 19, takes over her mind.

Defense attorney Joachim Barth immediately challenged the authenticity of her outburst. “You cry without tears, Ms. McDonough?” he said.

No tears were visible in her eyes, and she did not reply.

McDonough originally told defense investigators that she and Marriott were engaged in rough sex involving restraints when Marriott died. She said she lied to protect Mazzaglia but changed her story after being given immunity from prosecution. She is serving a 1 1/2-to-3-year sentence after pleading guilty last July to conspiracy, hindering the prosecution and witness tampering. Her plea deal hinges on her testimony against Mazzaglia. Barth has peppered McDonough with questions in a bid to undermine her credibility.

Prosecutors said Mazzaglia and McDonough dumped Marriott’s body in a river. Marriott, who was from Westborough, Massachusetts, would have turned 21 on Tuesday. Her body hasn’t been found.

“In our office you didn’t cry, you didn’t flinch,” Barth pointed out to her Tuesday.

She answered that it was because she was telling them a lie. “It wasn’t real,” she said. “I was able to push the images aside and keep up with the fake story I was telling you.”

Barth pointed out that, when asked during grand jury testimony last year whether she had anything she wanted to tell Marriott’s family, her response had been, “She got into a bad situation.”

He contrasted that with her sobbing statement of remorse last week, when she said, “Because of us she never got to live her life.”

Jurors on Tuesday also heard a recorded jailhouse conversation between Mazzaglia and McDonough less than two weeks after his arrest, in which they discussed plans to marry despite his incarceration.

“I’m sorry it couldn’t have a little more pomp and circumstance to it,” said Mazzaglia.

McDonough returns today for a seventh day of testimony.

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