"Walmart can be sued for detaining someone wrongfully. The police, not so much." No, you can sue Walmart and the police. No difference. The outcome may be diffe

"Walmart can be sued for detaining someone wrongfully. The police, not so much." No, you can sue Walmart and the police. No difference. The outcome may be different. But you can sue. Detain someone for drinking a 99cent drink? Have YOUR security personal walk him out and tell him he is off limits on the premise for the next 5 years.