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He wouldn't usually go back to prison just based on being charged with the DUI but if he pleads or is convicted that is one of the charges most likely to send him back.
There is a bit of a crisis in the CA prison system right now and they have been ordered to clear prisoners out to make more space but that doesn't mean they will not send him back if he gets convicted.
Was it alcohol or drugs and do you know the BAC level if it was alcohol?
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