What to do if you’re falsely arrested for drug possession

You’ve heard stories about it and seen it in movies—the nightmare scenario where you’re pulled over for a traffic stop and the police arrest you, seemingly arbitrarily, and justify it by planting drugs in your car. It’s a terrifying prospect but an extremely rare one, unlikely to happen to you or anyone you know. That said, if drugs are planted in your car by police, what should you do?