The Supreme Court's Next Big Fourth Amendment Case

Assume the following: You are a licensed driver, age 17. You live with your father. His driver's license has been suspended. He hands you the keys to his car and asks you to run an errand. While driving to do that errand you are stopped by the police and subjected to roadside questioning. You have not broken a single law. The only reason why the police stopped you is because they guessed that your father might be driving. Was the traffic stop lawful? Or did it violate the Fourth Amendment's...