After the Iraqi invasion of Kuwait in the late summer of 1990 , the city prepared for war , sending thousands of troops from the 2nd Armored Division and the 1st Cavalry Division to the Middle East . On October 16 , 1991 , George Hennard murdered 23 people and then committed suicide at the Luby 's Cafeteria in Killeen ( see Luby 's shooting ) . In December 1991 , one of Killeen 's high school football teams , the Killeen Kangaroos , won the 5-A Division I state football championship by defeating Sugar Land Dulles 14 – 10 in the Astrodome
Luby 's shooting
Luby's shooting
Killeen, Texas