After a deadly school shooting left 17 dead in Parkland, Florida last week, teens are taking matters into their own hands to make sure that nothing like this happens ever again.
Marjory Stoneman Douglas High School students formed the #NeverAgain movement, and are pressuring Congress to put common sense gun laws in place.
17-year-old Emma González delivered a rousing speech that inspired the nation.
And now Justin Rivard, a senior at Somerset High School in Wisconsin, invented a special kind of door jam that could potentially save hundreds of lives in the event of a school shooting.
Rivard's product, named the "JustinKase," is comprised of a series steel plates and connecting rods. It slips beneath a classroom door and latches to the door’s jam, making the door nearly impossible to open.