mother of 4 here, ages 19,13,9,and 7. My hear goes out to you.
First of all, I am so happy for you that your son is safe! We have been through similar experiences with our oldest, although drinking was not the problem- spending the night with his girlfriend was! I too have been out all night driving around looking for my son. When I finally found his car and her house her mother was out of town and they would not answer the door or the telephone. I was boiling mad. I finally had to just go home and wait. We waited up all night and into the morning.
Later someone suggested to me that we should have taken the spare keys we had to his car (OUR car, he was given permission to drive it) and taken the car without telling him. Kind of leave him a little surprise for in the morning. I still wish I had done that.
YES, confront the boss. Your child is a minor and the "Tip jar" is innaprpriate and unprofessional. Just by having it, it could be construed that the owner is contributing to the delinquency of minors.
Yes, think before you speak. I am the one that tends to go off, (it's the Irish in me) My DH on the other hand is very calm and sure of himself and thinks in very practical terms. Later, I am always mad at myself for letting my anger get in the way.
I like that prev. poster who said her dad would take a week to decide on a punishment.
Consider this as part of his punishment: Contact your local Mothers Against Drunk Drivers chapter and "fine him" by having him do a certain number of hours volunteer work for them. Sometimes kids learn better from outside experiences than by just listening to what we say "could have happened" because you KNOW that they think THEY are INVINCIBLE, and that NOTHING bad is EVER going to happen to THEM!