The shooter was “significantly influenced by web-based material, especially that found on non-traditional sites that most would find harmful and objectionable,” police said.

Authorities have released new information about a 17-year-old teen who shot and killed a fellow student and wounded another at their high school in Nashville, Tennessee. Nicole Valdes has more.

Nashville police said teen fired 10 shots from a nine-millimeter pistol 17 seconds after entering the cafeteria at Antioch ...