The tense moments in the minutes between a gunman opening fire at Allen Premium Outlets and a police officer fatally shooting him were captured on a dispatch recording which shows the officer screaming for backup as he approaches the gunman. A little after 3:30 p.m. Saturday, an Allen police officer was responding to an unrelated call at the outlet mall when he heard gunshots. The sprawling open-air shopping center has about 120 stores. “We got shots fired at the outlet mall,” the unnamed officer tells a dispatcher. The dispatcher repeats his call for other authorities on the channel. Crime in...