Have you ever wondered what would go down if a citizen called a cop out for doing something wrong?

A driver in Washington noticed that a police officer was driving an unmarked car, so he boldly decided to flag the cop down. During the exchange, the citizen asked the cop to show proof that he was an officer. Watch the video above to see how the entire encounter played out.

Do you think the citizen was doing the right thing, or just wasting the cop's time?