The more we learn of the police response during the Robb Elementary School massacre, the more horrific it was. Plus, more reaction to the Senate gun bill unveiled last night.

Cybersecurity expert Theresa Payton joins Good Morning BT with Bo Thompson and Beth Troutman with information about Yubo, an app frequently used by the Uvalde school shooter and how school systems and parents can monitor social media for real threats to the safety of their students and children.