Weed bust

I was in my boys car while he was smoking a blunt with the windows up the cops pulled us over n said you been smoking marijuana I see my boy said yes the cop said step out of the car both of you n out your hands on the hood n spread your legs found nothing on us at all searched the car and found 2 pounds of weed cop said your both going to jail tonight if you don’t confess who’s it is and if my son smokes some you both can go