Of course they released him. If the weed was found in the storage area or in a common area then they would not be able to say that it was specifically his. Someone in his entourage took the hit for him and got a ticket.
Legalize it. And tax it similar to alcohol and tabacco. Anyone who has drank or drinks beer should not have an issue with it. MJ is way less harmful than alcohol IMO. Not to even mention the $$$'s our government spends on enforcing these archiac laws.