Accused killer of Yarmouth Police Sergeant charged with attacking fellow inmate with razor blade

By News Staff

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BOURNE, Mass. (WLNE) – The man facing murder charges for the fatal shooting of a Yarmouth Police Sergeant has been arraigned after allegedly attacking another inmate in November of 2018.

Thomas Latanowich, 30, was charged Wednesday with assault to maim and assault with battery with a dangerous weapon after allegedly slashing a fellow inmate at the Barnstable County Correctional Facility with a razor blade.

Latanowich was previously indicted on nine charges in July of 2018, including the murder of Yarmouth Police K-9 Sergeant Sean Gannon in April of the same year.

Gannon and his K-9 Nero were shot on April 12th as they and a group of officers attempted to serve a warrant to Latanowich.

According to the Barnstable County Sheriff’s office, on November 10th, a fist fight began between Latanowich and the second inmate.

Video surveillance reportedly shows Latanowich pulling a small, straight-edged razor from his waistband and using it to slash the second inmate, resulting in a two-inch cut on the face and left ear of the victim.

Latanowich was arraigned Wednesday in Falmouth District Court.

Latanowich remained in custody for the arraignment, with officials utilizing a video conference link between the correctional facility and the courtroom.

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