I am just saying its stupid to shoot someone just for being on your property or in your house. Clearly a person walking around doesen't represent a threat. No individual person can place value on anothers life, unless you think you are god, its best to TRY to resolve the situation in a civilized manner before injuring or taking ones life. Clearly processing criminals through the justice system is a better example then unnecessarily shooting someone.

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"The person who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself. " — John Stuart Mill