Ask Trooper Steve: Why are police lights red and blue?

Ask Trooper Steve: What to do if police lights on but not flashing

Why do police have red and blue lights ?

'Ask Evan': "Why are other state's police car lights blue?"

See blue lights and not sure if it's a cop? How to safely respond to an unmarked police car

Ask Trooper Steve: Blue lights on vehicles

Inside of a police car

Fake Cop? Sketchy guy in civilian car flashing blue lights. KY 918PFK - Not Fire Fighter

Driver says vehicle with blue lights appeared to impersonate an officer

Good Question: When are police required to use their emergency lights?

What's up with the blue cruising lights? Memphis police chief explains

Ask Trooper Steve: What to do at red light if emergency vehicle behind you

Ask Trooper Steve: Light colors on police cars

Man Charged with Impersonating Police After He Forgets to Turn Off Flashing Blue Lights

Secret Police Car Features the Cops Don’t Want You to Know About!

Aftermath of a child shooting out a police car | Blue Lights - BBC

CAN SECURITY USE LIGHTS ON PUBLIC ROADS EVER??

Police departments using blue lights to increase visibility

Ask Trooper Steve: What are the rules with amber and white lights on work trucks?