In criminal cases a common concern is that the officer requested the driver or other person to exit the vehicle. There is a line of thought that being removed from the vehicle requires a safety concern or other good reason. Some may question what issue(s) exist getting out of the car, others do not like the feeling of being seized, however in the context of criminal cases, exiting from a vehicle often discloses damaging evidence.
In the drug defense subset of criminal defense an amazing number of cases begin at a traffic stop. One example is issues with the license plate or tag, whether it is the infamous tag light, expired tag or an obscured tag. These stops are difficult to defend without a video showing the cops to be incorrect (or worse).
The recent appellate case of Rose v. State from the First District Court of Appeal, in which the person was convicted of possession of a firearm by a convicted felon, is a scary reminder of how interactions with law enforcement can go horribly wrong, fast. The Defendant was convicted of possession of a firearm by a convicted felon.