marjory stoneman douglas high school

Parkland school principal under investigation

Broward County Public Schools will expand its investigation into the shooting at Marjory Stoneman Douglas High School, to include the principal Ty Thompson, the county school district spokeswoman told CNN.

Software program could help prevent school shootings

In the wake of increasingly frequent school shootings, school districts across the country are using a combination of tools to try to prevent another tragedy. One of those is software that alerts administration officials to problematic social media posts.

Letter asks judge to show mercy on Parkland shooter

The latest in a string of letters sympathetic to the young man who shot and killed 17 people at a Florida high school asked the judge in the case to show mercy on Nikolas Cruz, calling the shooter "a vulnerable and disabled little boy inside a teenager's body."

What to know about Emma Gonzalez

Emma Gonzalez has been one of the loudest voices in the wake of the Parkland shooting. But it was her silence at the March for Our Lives on Saturday that spoke volumes.