Man Shot To Death Outside Post Office Because Of 'Love Triangle'

San Antonio police are investigating the shooting death of a man outside a post office on Tuesday. The man was sitting in a car outside the post office on Austin Highway near Corrinne Drive around noon when a man and woman approached him. The three of them got into an argument, and the two men had a shootout. The man in the car died at the scene. The other man is in custody, and police questioned the woman. Investigators say a "love triangle" seems to have been involved, and the shooting may be self-defense.