TX: Armed Guest Shoots, Kills Man who Threatened to Kill Party Goers

"An attendee of the party heard Bates’ threats, and saw Bates approaching the residence with the handgun," stated the department. "The attendee then armed himself with his own handgun.

"Bates entered the residence with the handgun displayed," continued the statement. "In self-defense, one of the attendees shot Bates multiple times when Bates began entering the living area of the residence."
More Here