Michigan made product aims to keep students safe in the classroom
Seen in the video player above is a Nightlock, which is a security tool, and it makes a door almost impossible to open. They are made here in Michigan in Mount Morris, just 30 miles from Oxford High School, where tragedy struck back in November.
WATCH: New video shows gunman entering Uvalde school, police waiting for more than hour in hallway
A new surveillance video obtained by the Austin American-Statesman shows footage of the Uvalde Robb Elementary School gunman crashing his truck and entering the school, and it also shows Uvalde officers gathering in the school hallway for more than an hour.