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"Warning: The following story contains descriptions of sexual activities and violence that may be disturbing to some.Defense attorneys attacked the credibility of the state's star witness in the murder trial of Seth Mazzaglia on Monday.Watch notable videos from the trial.Mazzaglia, 31, is charged with first-degree murder in the October 2012 death of Lizzi Marriott, 19.Click to watch News 9's coverage.Mazzaglia's ex-girlfriend, Kat McDonough, was on the stand for a third day of cross-examination. The morning's testimony focused on who really had control in her relationship with Mazzaglia.During the at-times graphic testimony, McDonough admitted that she sometimes tied up Mazzaglia during sex and even left scratches and bite marks. The defense said that contradicted her testimony to a grand jury that she had never been dominant, painting her as someone whose word can't be trusted.The defense claimed McDonough told a long string of lies. Defense attorney Joachim Barth said she didn't recruit other women online because Mazzaglia demanded it, as she testified previously.\"As a man, he could not satisfy the full interest of you, being a bisexual,\" Barth said.\"That's ridiculous,\" McDonough said. \"I don't care.\"McDonough admitted to lying repeatedly, including to the public defender's office.Barth referred to her as a nuanced actress who first lied to the police officer who called her when Marriott went missing.\"In that short conversation, he asked about Ms. Marriott,\" Barth said. \"You said she didn't make it over.\"\"I did, yes,\" McDonough said.Barth said she fabricated details during other police interviews, never once claiming that Mazzaglia had strangled Marriott.\"Do you have the capacity to lie to officers with confidence?\" he said. \"Do you have the ability to lie to the jury as you project meekness and passiveness and remorse?\"\"I am not lying to them,\" McDonough said.Testimony will continue at 9 a.m. Tuesday."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wmur.com/article/defense-attacks-mcdonough-s-credibility-in-mazzaglia-trial/5190942>