You pull over a vehicle for speeding. When you run the driver's license of the driver of the vehicle, you find out he is suspended. You know that driving with a suspended driver's license is an arrestable offense. Also, when you approach the vehicle, you get a strong smell of marijuana and you can tell the driver's eyes are glassy and bloodshot.

Help answer the following questons please. Can you search the vehicle without a warrant? Describe all the search warrant exceptions that could apply in this scenario. Where in the vehicle are you allowed to search? What if the passenger has a backpack in the vehicle, can you search it?