MONROE COUNTY, Tennessee — Monroe County credits new technology with saving lives in the jail. It's a full-body scanner, similar to the ones used to check airline passengers run through at security.

THESE UPGRADES. SHAWANDA. YEAH, THE SHERIFF SAYS ONE OF THE NEWEST SECURITY MEASUREMENTS IS GOING TO MAKE SURE THAT NO ONE AND NOTHING SLIPS THROUGH THE CRACKS. WE COME IN AND WE PUT THE WHOLE JAIL ON ...

GREENSBORO, N.C. — Safety in schools tops this year's checklist, as education leaders across the country evaluate and rework protocols. A new step to strengthen school safety is under the microscope.