change of these investigations or more likely after we her from the u.n.? >> we will see. that is the critical part of having an investigation. a lot of people on the ground said they believe this is what happened and there are certainly events that have occurred that caused this tragic event. but what's interesting is we really have to take a look. my experience in combat tells me the first reports are always wrong, there is always things that have happened that you're not aware of. as we were even talking yesterday, we were talking about the potential of fast moving aircraft dropping bombs. now there is a potential of an ac 130 gunship. i know most of your viewers don't know what that is but it's a slow moving cargo plane that is outfitted with cannon and guns that have direct fire pinpointed attacks. it can see what happened. all of that will be part of the investigation. the initial claim of collateral damage could be critical, critically important to all of