'Kat' McDonough on the witness stand
Kathryn 'Kat" McDonough testifies against her former boyfriend in the murder trial of Seth Mazzaglia, charged in the death of UNH student Elizabeth "LizzI" Marriott.Photo 1 of 6 Seth Mazzaglia looks at the row of family and friends of Elizabeth 'Lizzi' Marriott in the front row of the Strafford County courtroom in Dover Tuesday as he leaves for the morning break. Mazzaglia is charged with first-degree murder in the 2012 death University of New Hampshire student Marriott of Westborough, Mass. (Pool Photo/Rich Beauchesne//Portsmouth Herald)
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