Teen Mom Kills Home Intruder

Sarah McKinley, 18, says the man came at her with a 12-inch knife.
1:12 | 01/03/12

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Transcript for Teen Mom Kills Home Intruder
And -- would -- benefit it was my son. -- him. In the last few months eighteen year old McKinley has been through some major life changes she gave birth got married and her husband got diagnosed with cancer. On Christmas Day he died. The night of the funeral -- -- says Justin -- dropped by her home claiming to be a neighbor just wanting to say hello. How close pitch black outside and excuse yourself violated night. Bid on New Year's seed in the middle of the -- McKinley says Morton -- this time with another man Dustin Stewart. She says the two wanted inside when she wouldn't answer the door. They started to break it -- I walked over and got the twelve gauge. -- in the bedroom and got the pistol and that the bottle in his mouth and that common point. She stayed on the phone with emergency operators -- 21 minutes. -- I didn't come in the door finally McKinley says Morton kicked his way through the door it was coming -- with a twelve inch -- that's when she fired. You know it's not an easy. Not easy decision to make but I knew it was hammers my son -- living in my sense -- -- more dangerous than a mother with a child.

This transcript has been automatically generated and may not be 100% accurate.

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