The investigation into why a Nashville high school student fatally shot a classmate before killing himself has centered on his online writings, which authorities describe as concerning warning signs.

Police say the gun used in the Nashville school shooting was purchased in Arizona as detectives piece together why the high ...

A social media account connected to the teenage shooter who killed a 16-year-old student at Antioch High School in Nashville, Tennessee, before taking his own life on Wednesday was flagged to the FBI ...