Man killed trying to defend home during alleged invasion: North Carolina authorities [More]
It sounds like they all could have died, plus he took down one of the invaders who will give up the other two.
No one claims gun defenses totally succeed all the time. They do, however, allow for a choice and a chance, which the alternative does not.
[Via bondmen]
Wonder whaat type of shotgun the victim was using. While effective against a lone intruder a typical sporting shotgun is at a disadvantage against multiple assailants. In such a scenario there is no substitute for a modern semiautomatic sporting rifle with a normal 30 round capacity magazine.