A Texan man in his 70s shoots and kills thieves at his neighbor's house. Is it legal?

The Castle Doctrine allows law-abiding citizens attacked in their own homes (their "castles") to respond with force, even deadly force, to protect themselves — though the law varies from state to state. Self-defense laws are back in the spotlight after two recent cases in which intruders were shot and killed by homeowners.

Castle Doctrine: In Defense of Self-Defense