You talk to any serious, effective law enforcement officer, and they say, "My best tool is my voice."
Words deescalate a situation.
Chasing a disturbed person around a subway platform shouting and tasing them is just pathetic policing, even before shots were fired.
Footage of two New York City police officers opening fire at a subway station as they confronted a man holding a knife shows they fired at him as he was standing still, his arms by his side and his back to a train.
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