AUGUSTA — The Maine Medical Examiner’s Office says an autopsy on the victim of a police shooting in northern Maine was inconclusive.

A spokeswoman said today’s autopsy failed to conclusively determine the cause of death of 55-year-old Neil Begin, who was shot by police on Friday and died early the next day.

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Little is known about the shooting. The Attorney General’s Office, which is in charge of investigating police shootings, has declined to say why a state police officer and a federal border patrol agent were at Begin’s mobile home in Cyr Plantation, which is near Van Buren.

The state police officer is identified as Trooper Robert Flynn. A Customs and Border Protection spokeswoman declined today to identify the agent.