If escape is not possible from a mass shooting, hiding is the next best option. It's important to understand the difference between cover and concealment.
As the country looks for ways to deal with mass shootings at schools, some have responded by saying more people should carry guns, including teachers.
"We don't have those [mental health treatment] institutions anymore and people can't get proper care," Trump said not long after the latest mass shootings.
Bullet-resistant backpacks for kids are now available, but critics argue they are using tragedy as a marketing opportunity and exploiting parents' worst fears.
It is everyone’s responsibility to take an active role in reducing the risk of mass casualty tragedies by reporting suspicious behavior.
Following two mass shootings over the weekend, President Trump called on federal authorities to do a better job identifying violent extremists in the U.S. But that won't be easy.
A growing movement has urged the media to refrain from naming the shooters in mass slayings and to cease the stream of biographical information about them.
Schools in the U.S. may soon have facial recognition technology capable of spotting people who don't belong inside the building.