So, here's why you should start recording as soon as you see police lights in your rearview mirror. In Tennessee, it's legal to record the police on a traffic stop or on any encounter with a police officer. It's important that you or somebody in your car operate the camera and video everything that happens because your point of view and your vantage point is going to be different than the vantage point of the police. So, some police officers might get angry if you start recording. I'm not telling you things that are easy to do. I've been doing this nearly 40 years on every side of the law. It's still difficult for me when I get pulled over by a police officer to remember all the things that I teach other people. But it's important for you to remember no matter how the officer reacts, you want to video that. If he gets really angry and starts showing that anger in aggressive behavior, you're going to have a gold mine in that video