never forget. >> as the chaos erupted, hundreds of customers rushed to the back of the store and came out the emergency exits. went to hide in these metal shipping containers thinking that would be the safest place to be if the gunman came out the back of the doors. officers were on the scene within six minutes of the first call, but at some point the shooter left walmart and got in a car. he was arrested a block away without firing a single shot. shep? >> shepard: garrett, anything new on the investigation? >> well, police said that the suspect is fully cooperating, telling them everything that they want to know. the fbi has executed three search warrants and a number of homes and the dallas area where the suspect is from from allen, texas. about 600 miles away from el paso. this is a full investigation with every level of law enforcement playing its part.