By JAKE BLEIBERG and GENE JOHNSON
ALLEN, Texas (AP) — It took four minutes for a neo-Nazi with an arsenal of firearms to kill eight people and wound seven others at a Dallas-area shopping center before a police officer ended the rampage, likely saving untold lives. The massacre Saturday sent hundreds of shoppers at the Allen Premium Outlets scrambling for cover. Those killed included three members of a Korean American family, two young sisters and an engineer from India. Authorities say they have yet to establish a motive for the shooting. Allen, a multicultural suburb of 105,000, is left as the latest U.S. community rent by violence in a year that has seen an unprecedented pace of mass killings.