ROCK ISLAND, Ill. — A $400,000 safety precaution for Rock island High School made all the difference on Monday, April 21.

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 gun was found in a student’s backpack at Pocono Mountain West High ... adding that the student’s family is cooperating with the ongoing investigation. The student, a juvenile, faces multiple ...

In a letter to families, school leaders say a gun was found in a student’s backpack by metal detectors on Tuesday morning.