SALEM, Ore. (AP) — The police bulletin, all in uppercase, carried this headline on Wednesday: MAN ARRESTED FOR SHOOTING AT HALLUCINATIONS.

Officers in Salem, Oregon, on Tuesday afternoon responded to reports of a man shooting a gun in the backyard of a residence. The man then drove away. Officers located the vehicle and detained the man, Martin Abrego, 27, of Salem.

Police said they noticed the smell of natural gas, cordoned off the area and summoned the fire department. Gas to the home was turned off. It turned out that one of the bullets hit the home's natural gas meter. No one was hurt.

Det...