Man tries to rob a car wash with a potato chip bag

Rohnert Park’s Department of Public Safety says in a statement that the man entered KaCees World of Water car wash Friday night and dropped an empty potato chip bag on the counter.

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He told the cashier to fill it with money, warning that he had a gun.

The man gestured that the weapon was in the empty bag, but the cashier saw it held only a piece of cardboard and called a co-worker for help.

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Police say when the other employee approached, the suspect fled on foot.