Remember: police misconduct cannot be challenged on the street. Don't physically resist officers or threaten to file a complaint. Write down everything you remember, including officers' badge and patrol car numbers, which agency the officers were from, and any other details. Get contact information for witnesses....

Stop the car in a safe place as quickly as possible. Turn off the car, turn on the internal light, open the window part way and place your hands on the wheel. Upon request, show police your driver's license, registration and proof of insurance. If an officer...