The gunman who killed two others before police ended his life in a shootout near Texas A&M University had been battling mental health issues on and off for years, his mother said.
Police say Thomas Caffall, known to his family as "Tres," killed a constable and a bystander and injured four others before police fatally shot him.
His mother, Linda Weaver, said the family became worried after Caffall quit his job in January and announced that he would never work again.
"We had been very concerned about him," Weaver told CNN.
Caffall had withdrawn from the family, and the fear was that he might attempt suicide, his mother said.
But she never imagined that her son would hurt anyone else, or that his end would come so violently.
"Losing a child is a parent's worst nightmare. This is worse," she said.FULL STORY