Tracy Haynes, 17, was booked into Dallas County Jail at 9:32 p.m. and is facing a charge of aggravated assault mass shooting.

A 17-year-old turned himself in after a mass shooting at Wilmer-Hutchins High School that left at least 4 students injured.

Police responded Tuesday to reports of a shooting at a Dallas high school where students were seen leaving the campus and school authorities later reported the campus had been ...