Convicted killer of 19-year-old UNH student to appeal case

DOVER, NH (WHDH) — The New Hampshire Supreme Court is set to hear arguments Wednesday in the appeal for convicted killer Seth Mazzaglia.

Mazzaglia claims the trial court should have allowed evidence that allegedly showed that Mariott had expressed an interest in certain sexual activities.

Mazzaglia was convicted of killing University of New Hampshire student Elizabeth “Lizzi” Marriott, 19 of Westborough, Massachusetts. He argues the trial court should’ve allowed him to introduce evidence about Marriott’s sexual past, but the court has rejected that argument numerous times, most recently on Thursday.

The court will allow oral arguments in Mazzaglia’s appeal to be open to the public, but attorneys will be restricted from delving into the sealed case record. The case will be heard Wednesday.

Marriott, a University of New Hampshire student, was killed in 2012. Her body has not been found.

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