You are using an older browser version. Please use a supported version for the best MSN experience.

Authorities investigate actions and mindset of Texas school gunman

FBI investigators and other authorities are working to uncover more information on the 18-year-old who killed 19 children and 2 teachers at Robb Elementary School in Uvalde, Texas. Former FBI Special Agent Mary Ellen O'Toole, the director of the George Mason University Forensic Science Program, joins "CBS News Mornings" with analysis.
image beaconimage beaconimage beacon