(KCEN) -- Today marks 21 years since a mass shooting in central Texas 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 was eventually cornered by Killeen Police and he 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, requiring gun holders to have a concealed handgun license.