Surveillance cameras showed a student letting the suspect, Tracy Haynes, into Wilmer-Hutchins High School through an unsecured door on Tuesday, according to the arrest warrant affidavit.

A 17-year-old is in custody following the incident at Wilmer-Hutchins High School, Dallas, where the four students between the ages of 15 and 18 had injuries ranging from serious to nonlife ...

Three students were wounded by gunfire and a fourth also was injured when gunfire erupted at Wilmer-Hutchins High School on Tuesday afternoon, officials said. By Neil Vigdor Three students were ...