Mark Memmott is NPR's supervising senior editor for Standards & Practices. In that role, he's a resource for NPR's journalists – helping them raise the right questions as they do their work and uphold the organization's standards.
Once again, Colorado lawmakers are heading into a legislative session following a school shooting.The Arapahoe High School shooting hit especially close…
The city of Houston released a short six minute film instructing people what to do in case of a mass shooting in a public place. There are three basic responses: run, hide and fight the shooter.
A Colorado high school student with an apparent grudge against a teacher wounded a classmate with a shotgun before killing himself, chilling a state that's still trying to make sense of mass shootings at Columbine High School and an Aurora movie theater.