PITTSFIELD, Mass. — A Pittsfield woman pleaded guilty to a single count of involuntary manslaughter on Friday morning in Berkshire Superior Court in the stabbing death of her husband, Arthur Martin, a year ago.

Sentencing for Charlene Grandson, Martin, 46, of West Street, was continued by Judge John A. Agostini until 2 p.m. on July 8.

Arthur Martin, 49, died Feb. 8 at Berkshire Medical Center from a stab wound inflicted the night before. Grandson Martin had told police her husband had the knife and they were joking around when he was struck by the knife as she pushed is arm away.

Police said an investigation found her story didn't match the facts.

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