AUGUSTA — A police sergeant was legally justified in using deadly force to protect himself during an armed confrontation that left a Hampden man dead, the state’s attorney general said Friday.

Attorney General Janet Mills said in a report that Hampden Police Department Sgt. Christian Bailey reasonably believed that deadly force was being threatened against him at the home of Cameron Arrigoni in June.

Bailey and another officer entered Arrigoni’s home after responding to a 911 call from his girlfriend, Mills’ report said.

Bailey yelled “Police!” and entered the home’s second-floor bedroom, and Arrigoni pointed a handgun at him, Mills said. That’s when Bailey shot Arrigoni, who later was pronounced dead at a Bangor hospital.

An autopsy determined that Arrigoni, 21, died from gunshot wounds to his head and upper torso.

Per protocol, Bailey was placed on administrative leave after the shooting pending the investigation by the attorney general’s office.

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