and band. the spokesman for santos has declined to comment. now, to the investigation into the mass shooting at an outlet mall in the dallas suburb of allen, texas. eight people were killed, including three children, and seven others injured. cbs's omar villafranca reports the gunman had been researching the location for weeks, but police say his victims appear to be chosen at random. >> reporter: tonight, investigators are running digital forensics on the gunman's cell phone and computers, trying to learn more about a possible motive. troopers confirmed the shooter had embraced white supremacist and neo-nazi ideology in online posts he made on a russian social media site. >> we do know that he had neo-nazi ideation. he had patches, he had tattoos. >> reporter:estiga today admitted they still don't