The justices said Tuesday they will take up appeals asking the court to strike down bans on the AR-15 and similar semiautomatic firearms in Connecticut and the Chicago area.
Police are investigating after a 9-year-old accidentally shot and killed a 6-year-old child in Florida.
"You got 14,000-something schools. This grant initiative is going to connect those districts to those billions of dollars that's there, available, and wants to be used to make our kids safe," McConaghey said.
An estimated 550,000 of the country's 3 million K-12 teachers would choose to carry a gun in class, if allowed. More than 1.5 million of their co-workers think that would make the classrooms less safe.
The short book brought to lawmakers is written in the simple language a young child could read and has "bullet hole" cutouts to mimic finger holes often seen in children's books.
Trauma specialists explained what the injuries look like, how they're treated and why they can be even more devastating for a child than an adult.