How to talk to your kids about school shootings

The 18-year-old gunman who slaughtered 19 children and two teachers at a Texas elementary school barricaded himself inside a single classroom and "began shooting anyone that was in his way," authorities said Wednesday in detailing the latest mass killing to rock the U.S.

In Depth: Mental Health Awareness Month

May is Mental Health Awareness Month. Hal speaks with doctors about a potential mental health crisis in the U.S, and the COVID-19 pandemic's affects on mental health.