Decades of deadly gun violence in US schools

A quarter century of deadly gun violence in US schools

A rampage Monday at Nashville's Covenant School that left three children and three adults dead -- plus the gunwoman -- is only the latest in a tragic and relentless cycle of US school mass shootings.Police said they believe the shooter, a 28-year-old Nashville woman armed with at least two assault rifles and a handgun, was a former student at the school.Here are America's deadliest classroom gun massacres of the last quarter century.Robb Element…

Decades of deadly gun violence in US schools

Nashville shooting that killed six is the latest school attack to raise questions about easy access to assault weapons.