9 people, including the gunmen were killed in a shooting at a Dallas Texas area outlet mall Saturday afternoon. Terrified shoppers fled in panic after the gunman opened fire at Alan premium outlets, police chief Brian Harvey says an officer was already there on an unrelated call. He heard gunshots, located the gunshot, located the shooter, neutralized the shooter, neutralized the threat. We believe at this point that the shooter acted alone. Video shows the gunman getting out of a car shooting at people on the sidewalk more than three dozen shots could be heard. Alan Mayer Ken Polk. We all want the victims and their families impacted by this tragedy to know that we will wrap our arms around you. Audio courtesy WFAA, mass killings are happening in average of about one per week, according to a database by The Associated Press, USA Today, and northeastern university. I'm Julie Walker.