Tucson robbery and attempted shooting

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TUCSON, Ariz. -- Sheriff department detectives are looking for a man who robbed a convenience store customer at gunpoint in the parking lot after stealing two cases of beer.

It happened July 5 at the Quik Mart on Benson Highway and Columbus.

As the victim broke away, the robber pointed his gun and pulled the trigger, but the gun wouldn't fire.

The suspect left in a maroon SUV.

Police are asking anyone with information to contact 911 or 88-CRIME.