rifles and is rolling over everything in its path. a few residents grabbed cameras to record the destruction as it happens. >> mad man in grandby. >> the rural sheriff's department is ill-equipped to handle such an attach so trainor calls for backup. >> we made the notification to ask for a larger tactical team and agencies to respond from the denver metropolitan area and the jefferson county sheriff's office. i actually even requested assistance from the colorado national guard. of course, they're an hour and a half away. >> in the meantime, the four to -- fortified bulldozer is destroying the town and there's nothing the sheriff's office can do to stop it. >> hear shots fired. >> our primary purpose at that point was to try and just evacuate the town so that nobody got hurt, because we knew that our armament was very ineffective against it.