Only if the police have reasonable suspicion that uou were engaged in criminal activity. If not then you are free to leave. By the way, question him as he approaches which may help him slow down and understand without searching you.
Even if they don't fine the gun on that person .
Yes, it's a strong possibility that person will be charged with a numerous of charges including VUFA. As John stated we dont know the circumstances of the case and yes get a good attorney!
I really can't help you with that question I'm not 100% sure what you're up against my thing is get a good lawyer.
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