July 25, 2013

Accomplice in UNH student's death to plead guilty

Her lawyer says 19-year-old Kathryn McDonough of Portsmouth will plead guilty today to hindering the prosecution, conspiracy and tampering with a witness.

By Lynne Tuohy / The Associated Press

CONCORD, N.H. — A woman who New Hampshire prosecutors charged with lying to investigators about the disappearance of a University of New Hampshire sophomore last fall is expected to plead guilty.

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This undated photo provided by the New Hampshire State Police shows 19-year-old Kathryn McDonough of Portsmouth, N.H.

AP

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This undated family photo shows Elizabeth "Lizzi" Marriott, who disappeared on Oct. 9, 2012.

AP

Her lawyer says 19-year-old Kathryn McDonough of Portsmouth will plead guilty Thursday to hindering the prosecution, conspiracy and tampering with a witness. He said he expects her to be taken into custody at the conclusion of her court hearing.

McDonough's ex-boyfriend — Seth Mazzaglia is charged with strangling 19-year-old Elizabeth "Lizzi" Marriott last October. The couple admitted to investigators that they dumped her body into the waters off Peirce Island in Portsmouth. It has never been recovered.

Marriott's family members are expected to make statements during the hearing. Her father, Robert Marriott, did not return a phone call seeking comment.

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