Police arrested three sophomores at Sam Houston High School on Tuesday after a loaded gun inside a backpack. A student heard about the weapon and called Crime Stoppers.
Police say a sophomore boy put a stolen gun into a girl's backpack, and she then told another girl about the gun. But none of them ever alerted authorities.
"We would expect that the students would report that because that's a very serious thing," said Arlington PD Spokeswoman Vanessa Harrison. "We knew that the gun was loaded, and it could have brought harm to a lot of students who were at the school."
After police got word about what happened, they confronted the group of students and confiscated the gun. They were arrested for possession of a firearm in a prohibited place.
Police say a fourth student ran away when confronted by police. He has been identified, but police are still searching for him. He’ll be charged with evading detention.
The names of the students have not been released. There were no reported injuries.
Police responded to a similar incident in September when a 15-year-old student brought a loaded gun to school in his backpack. He was also arrested.
A district spokesperson says there will be random checks for weapons, involving metal detectors and wands.