18 year old mother Sarah McKinley lost her husband to lung cancer on Christmas Day.

Alone with her infant son on New Year's Eve, she was faced with a horrible decision.

Sarah shot and killed the intruder after he broke in to her house carrying 12-inch knife.  But not before she called 911, and asked if it was ok for her to shoot the intruder.  A second man ran when he heard the gunshot, then turned himself in.


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