The Brief

A Key Peninsula deputy arrested a driver for impersonating a police officer using blue flashing lights.

The suspect ignored a prior warning and was caught pulling over another driver with the fake lights.

This incident follows similar cases in Bremerton and Burien involving fake badges and threats.

KEY PENINSULA, Wash. - The Pierce County Sheriff's Office says dashcam video shows the moment a Key Peninsula deputy pulled over a driver for impersonating a law enforcement officer .

"He had noticed this vehicle in a parking lot with some blue flashing lights," said Pierce County Sheriff's Office spokesperson Carly Cappetto.

The backstory:

The deputy first gave the 24-year-old a warning, telling him he could be arrested.

"It was concerning enough for that deputy to contact

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