otherwise, they're all right. pittsburgh area mall is changing its policy after a weekend shooting. those under 18 years old will have to be accompanied by an adult under the youth escort policy. >> the panic escape from a pittsburgh area mall. >> people started running. >> i just heard the pop pop pop. >> 7:33 that night. reports of gunfire erupting after 17-year-old suspect tarod thornhill injured people near the entrance to the macy's. just steps away from the mr. rogers neighborhood play area. in the chaos children separated from their parents. >> i couldn't find my kid. some guy dove on top of her and a bunch of other kids and i looked at him and said thank you. >> by 9:00 p.m., police have cleared the mall. shoppers and staff evacuated for more than -- from more than 100 stores. >> we had people hiding in closets. >> 3:15 a.m., thornhill is captured at his home with help