Autopsy: Man killed self after officer'..

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West Bloomfield Township, Mich. • An autopsy has found that a business executive who gunned down a police officer responding to a trouble call at his suburban Detroit house committed suicide.

The Oakland County medical examiner's office said Tuesday that 50-year-old Ricky Coley killed himself. His body was found Monday night in a bedroom at his home in affluent West Bloomfield Township.

Cheryl Loewe says Coley shot himself in the mouth.

Authorities say the businessman, who was going through legal and marital turmoil, shot 39-year-old Officer Pat O'Rourke as officers responded Sunday to a report of a possible suicide attempt.

An autopsy report released Tuesday shows O'Rourke died of a single gunshot wound to the head.

A 20-hour standoff followed. Police eventually broke through a wall and found Coley's body.

Autopsy: Man killed self after officer's shooting