Steven Spainhouer rushed to Allen Premium Outlets — a shopping center in Allen, a Dallas-Fort Worth suburb, where the shooting happened — when his son called just after 3:30 p.m. local time and said he had heard gunfire. Just one problem… According to the Allen Police Department, Spainhouer is a total fraud. Spainhouer thought that he could make statements that would make him a material witness to mass murder and that they wouldn’t want to talk to him or investigate his claims. When Allen PD caught up with Spainhouer to discuss what he saw, it was determined that Spainhouer’s statements...