Prime example of why ordinary citizens should own guns.

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I was taught by the chief of police in a my small town in north MN -growing up=shoot to stop, or until they stop threatening anyone in the house. @-? bullets ? Shoot. You only have 1 life here-keep it. The CSI crew will find out what YOU did-be careful, yet stay safe.

Good answer. In LE parlance I watch the hands. They are what kills. Shoot to stop, don't be stingy with your rounds if you can apply them fast enough, and if they still threaten-- then repeat until done. Multiples equal closest threat first, share the wealth, keep scanning the hands.