• Biden says he will visit families of the victims
• Families begin to make funeral arrangements as harrowing details emerge
The suspect who killed 19 kids and two teachers at an elementary school in Uvalde, Texas, was a local high school student with few if any friends who officials said legally purchased two assault rifles and scores of ammo last week for his 18th birthday.
Atlanta. Orlando. Las Vegas. Newtown. Parkland. San Bernardino.
Former Texas Rep. Beto O'Rourke interrupted a press conference where Gov. Greg Abbott and other officials were providing updates on the Uvalde elementary school shooting.
As if on cue, Sen. Ted Cruz of Texas responded to the horrific shooting at Robb Elementary School in Uvalde, Texas -- which left 19 children and two adults dead -- with a familiar refrain.
Since Sandy Hook, an estimated 20,000 armed officers have been employed in schools across the US. Yet, there's no evidence it has made a difference. CNN's Tom Foreman reports.