this patio duck for cover. some grab firearms and other weapons. one biker is seen on the surveillance video running through the patio and firing a shot toward the parking lot. dozens of bikers rush inside the building, hide in bathrooms and the restaurant kitchen. john wilson is the president of the waco, texas area chapter of the kos exmotorcycle club. >> the whole incident probably didn't last more than 90 seconds. it seemed like an hour when you're laying there and people are getting shot around you and bullets whizzing by. >> reporter: in dozens of police interviews blame rivals for starting the deadly melee. after it was all over crime scene photos capture the nightmarish scene. bodies left in the parking lot by toppled motorcycles, hundreds of weapons all over the place. handguns even left hidden in the restaurant toilets. cnn has obtained more than 2,000 pages of documents, crime scene photos, many too graphic to