(KCEN) --- Wednesday marked 22 years since a mass shooting in Killeen that killed 23 people and wounded 20 others.
On October 16, 1991, 34-year-old George Jo Hennard of Belton drove his pick up truck through a Luby's Cafeteria in Killeen.
He then started shooting and killing over a dozen people.
He was eventually cornered by Killeen police and then shot himself in the head.
At the time, the shooting marked the worst mass shooting ever to occur in the United States.
In response to the shooting, Texas passed a "Shall-Issue" gun law which requires gun holders to have a concealed handgun license.