Hi - my name is Kirk and I'm a litigation attorney. Thanks for your question.
IF the officer does not show up, then the judge should dismiss the ticket because your son is there and ready to proceed and the officer is not.
If the officer does show up, and your son was the only one in the car at the time, then it will be assumed it was his. The only way to get around that - - usually - - would be for someone else to step up and admit it belongs to them.
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