Someone had better talk some sense into this guy before he bankrupts the city with wrongful arrest lawsuits

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In Georgia, there are three "tiers" of police encounters.  Encounter, detention, and arrest.  You are free to walk away from a police encounter.  If the police officer detains you (prevents your movement), that is second tier.  The final tier is arrest.  Unlawfully elevating an encounter to a second or thir tier event can lead to evidence and charges being dismissed.