Teenage Accomplice In College Coed’s Death Sentenced

CONCORD, N.H. (July 25, 2013)-- Kathryn McDonough, 19, a New Hampshire woman who was charged with lying to investigators about the disappearance and death of a University of New Hampshire sophomore last fall, was sentenced Thursday to 1½ -3 years in prison.

McDonough, whose ex-boyfriend is charged with strangling Elizabeth "Lizzi" Marriott, 19, last October, pleaded guilty Thursday to hindering the prosecution, conspiracy and tampering with a witness.

She was sentenced after several of Marriott's relatives took turns accusing her of luring Marriott to her death.

Calling the sentence "wimpy" and "a gross injustice," the relatives said McDonough betrayed Marriott's friendship and did nothing to help her escape her killer.

Investigators say McDonough and Seth Mazzaglia admitted that they dumped Marriott's body into the waters off Peirce Island in Portsmouth.

Her remains have never been recovered.

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