mr. heemeyer had taken axle grease and had greased the entire side of the tank. so that, you know, if you tried to get on top, you would just slip off. i was able to stick my fingers in between a couple of pieces of metal that had an exposed space and was able to eventually get on top of the tank. and was very surprised to find that there was absolutely no hatch visible into the top of the tank. i began looking for areas that i might be able to actually shoot inside or move to actually gain entry into the tank. >> with the bulldozer about to ram into another building, undersheriff trainor is out of time and ammo. he's forced to abort the plan. the destruction continues. but then a lucky break. >> he started overheating and became stuck on a -- the foundation of this building. the tracks weren't on dirt and one through an open crawl space of the basement. >> the bulldozer is finally stopped. authorities prepare for a lengthy standoff but suddenly a single gunshot. >> we were unaware if this was somebody who was actually barricaded at this point, if he had committe