Locks, Lights, Out of Sight: How Lockdown Drills Affect America's Children
School shootings and lockdown drills. One has prompted the widespread practice of the other, even though mass school shootings are rare. See firsthand what these kids go through and how it makes them feel in our special report.
When Seeing Is No Longer Believing: Inside the Pentagon's race against deepfake videos
When Seeing Is No Longer Believing: Inside the Pentagon's race against deepfake videos
With CNN's Elle Reeve
