Libby Man Pleads Not Guilty to Deliberate Homicide

Trevor Joseph Mercier is accused of murdering Sheena Devine earlier this month

By Justin Franz

A 42-year-old Libby man has denied allegations that he killed his girlfriend in early October.

Trevor Joseph Mercier pleaded not guilty to felony deliberate homicide in Lincoln County District Court on Oct. 24.

According to court documents, Mercier allegedly killed Sheena Devine, 30, sometime during the night of Oct. 5 at her home in Libby.

Lincoln County Dispatch received a call at about 10 a.m. on Oct. 6 from someone who believed a friend had been assaulted the previous night. The Libby Volunteer Ambulance and Libby Police Department responded to Devine’s home in Libby soon after where they found her body. According to local media reports, law enforcement also found a petition for a restraining order against Mercier on Devine’s kitchen table.

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