An Arizona thief thought he had pulled off a jewelry heist, but a group of vigilant bystanders thwarted the robbery and pinned the robber to the ground until police arrived to arrest the perp.

Around 11:40 a.m. on Friday, a man dressed in a suit walked into the Marina Jewelers store in Scottsdale. The man allegedly snatched a tray of high-dollar jewelry from the jewelry store, and then attempted to flee the crime scene.

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