Overview

• He pleaded not guilty Monday and remains held without bail following his arraignment in Wareham District Court.
• The victim was identified as 66-year-old Paul Pomerleau, who had been in a long-term relationship with Horsman’s mother.
• Witnesses said the dispute began over a steak dinner after Pomerleau criticized Horsman’s unemployment and living arrangements.
• Middleborough police arrested Horsman less than 1,000 feet from the home shortly after the attack.
• His defense attorney contends the killing resulted from years of alleged domestic violence rather than a spontaneous quarrel.