Prosecutors: UNH Murder Suspect Discussed Framing & Killing Witness

DOVER, N.H. (AP) — Prosecutors say a man accused of killing a University of New Hampshire student discussed framing and killing a witness in letters to his former girlfriend.

Seth Mazzaglia is charged with killing 19-year-old Elizabeth "Lizzi" Marriott on Oct. 9, 2012. His former girlfriend, Kathryn "Kat" McDonough, has pleaded guilty to hindering prosecution, conspiracy and tampering with a witness.

In new court documents prosecutors say Mazzaglia sent letters to McDonough discussing framing two witnesses and killing one who had been called to Mazzaglia's apartment after Marriott's death. The state is seeking handwriting samples from Mazzaglia. His attorney said he will provide them.

The 30-year-old Mazzaglia is being held without bond. His trial is scheduled to start in May.

A public defender representing him has previously declined to comment on the indictments.

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