Transcript for Teen Mom Shoots, Kills Intruder
Scene straight out of a Hollywood thriller a woman alone with her baby intruders try to force their way -- the Oklahoma woman. Had a shotgun and a pistol -- -- call 911 with a question could she -- What happened next here's ABC's -- islands. I'm not -- -- on long. When this young mom says she'll do anything to protect her baby. She means it. There's nothing more dangerous -- a -- with her baby. Late New Year's Eve eighteen year old Sarah McKinley was taking care of her three month old son. When police say two men tried to break into her home outside Oklahoma City. He was crying at the times have had a bottle is now trying to get him to stop. And I got a pistol and call 91 woman fell from. McKinley just lost her husband to cancer on Christmas today. And recognize one of the man as someone she thought was stalking her for twenty terrifying minutes she waited as they tried to -- then. Your doors locked. I'm kind of got concurrent in my hand that a constituent content -- -- can't tell you that you can do that that you do what you have to -- to protect -- baby. So she did shooting and killing the 24 year old intruder the other suspect later turned himself then police and Oklahoma called the shooting justified. But could inning homeowner anywhere in the United States do the same thing. That depends on where you live. Oklahoma is one of thirty states with a so called castle doctor and your home is your castle and you can shoot to protect yourself. Other states say you first need to try to retreat before using deadly force the castle doctrine has been stretched and some states. Got a shot again. The on the -- In Texas in 2007. A man killed two burglars who broke into his neighbor's house a grand jury refused to indict him. But legal experts doubt there is any prosecutor who would charge a young mother for protecting her child. Within again. Not because -- -- to the contents of my friend. Ryan Owens ABC news. Dallas.
This transcript has been automatically generated and may not be 100% accurate.