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PALO ALTO, Calif. -- On a neighborhood street, Officer Zac Perron pulls over a driver who has run a stop sign.

Perron's dashboard camera recorded a standard view of the traffic stop -- but the rest of his cruiser's video system recorded much more.

In Palo Alto, every police car is equipped with multiple cameras that provide a panoramic view.

"We've got now five cameras in every regular beat officer's patrol car that captures, like, a 270-degree field of view around the car," Perron explained.