officer's heroism. >> welcome back to "the big sunday show." a texas police officer who took out a gunman who opened fire in an outlet mall is being hailed as a hero. he was nearby when he heard gunshot ises, he ran over to the h&m short, you can hear the officer's panic as he called for backup. >> [inaudible] >> casey stegall is live outside of the allen premium outlets where 8 people were killed in the shooting yesterday. >> reporter: yeah, i'm shaking my head because it just gives you the chills to hear that video knowing what happened about 24 hours ago at this very busy outlet mall back here. a vigil is going to be held in this community later tonight at a local church to to honor the 8 innocent people who were killed here and to also pray for those who are injured. there are still multipreponderance people in the hospital -- multiple people in