Have you ever had a gun pointed at you, in a situation where you didn't expect that to happen?
If not, shut the fuck up.
About 40 something years ago I was pulled over by a smokey and quickly surrounded by multiple smokies and county mounties with multiple guns pointed at me. A man who looked like me and drove a similar car had robbed a bank in the general area a short time earlier.
My training in Buddhist practices came in handy. Stayed in the car, remained fairly calm, kept my hands up on the steering wheel where they could see them. Waited.