Hi - my name is XXXXX XXXXX X'm a Criminal Law litigation attorney here to assist you.
If there's no defense to the charges, your best option is to try get into the pre-trial diversion program. You can try to speak with the prosecutor about this, but your best chance is to hire a local criminal defense attorney to try to work a deal with the prosecutor (because it's likely that the prosecutor won't talk to you about the case).
The pre-trial diversion program keeps the charges from going on your record if you complete the program, which usually involves probation, community service and a fine.
Pre-trial diversion is usually available only to first time offenders. However, because the first offense occurred in another state, it may be that you can still qualify.
Because of this wrinkle in the situation, I would recommend that you definitely consult a lawyer to assistance in getting this thing handled without going to court and getting convicted.
If there's no proof that you've ingested any drugs - no officer saw you do it and there's no valid evidence that this occurred, I think you have grounds to challenge this charge.
However, the possession charge is the most pressing issue.
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