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David Lane/Union Leader/Associated press
Seth Mazzaglia was escorted out of the courtroom as Judge Steven Houran gave the case to jurors for deliberation.
Houran instructed the jury before they deliberated.
Jim Cole/Associated Press
State prosecutor Geoffrey Ward showed jurors the black gloves they say Mazzaglia used when he strangled Elizabeth "Lizzi" Marriott.
The judge listened as defense attorney Joachim Barth delivered his closing arguments.
McDonough, the state’s key witness and Mazzaglia’s ex-girlfriend, broke down during her testimony.
McDonough had lured Marriott (pictured), her co-worker, to the apartment with the promise of watching a movie or playing a video game.
Mazzaglia, 31, is charged with killing Elizabeth “Lizzi” Marriott at his Dover apartment on Oct. 9, 2012.
McDonough, 20, is serving a 1½ - to 3-year sentence for conspiracy and hindering prosecution.
AP Photo/The Herald/Rich Beauchesne/Pool
Mazzaglia’s lawyers have said that McDonough killed Marriott during rough sex.
Mazzaglia’s defense lawyer has told jurors that McDonough concocted her story to get out of a long prison sentence.
AP/Foster's Daily Democrat/.John Huff/Pool
Defense attorney Joachim Barth questioned Kathryn McDonough during her former boyfriend Seth Mazzaglia's first-degree murder trial.
AP/Foster's Daily Democrat/John Huff/POOL
Ryan Bachman testified that former cellmate Seth Mazzaglia had elaborate plans to escape jail and hire someone to hurt or kill two witnesses in his case.
Prosecutor Peter Hinckley pointed to a letter written by Mazzaglia to McDonough where he used the code name “Murphy Castle” for his former prison cellmate Ryan Bachman.
Mazzaglia allegedly created an elaborate plan to kill Roberta Gerkin (pictured) and Paul Hickok, two friends who were called to Mazzaglia’s apartment after Marriott was killed.
Brittany Atwood testified about her relationship with her girlfriend Elizabeth Marriott during the trial.
Diane Rebecca Hanna wept as she looked at evidence from her niece, Elizabeth Marriott, while on the witness stand.
Rich BeauchesneP/Foster's Daily Democrat/John Huff/POOL
Detective Sean Mask, of the Dover, N.H., police, was the first witness to be called in the trial.
AP/Portsmouth Herald/Rich Beauchesne/Pool
Seth Mazzaglia stood in court during a break in opening arguments at the start of the trial.
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