a good example is a lot of resources and a lot has to go and to flight operators. i think they probably are in the indian ocean, it is hard to find. >> as a former prosecutor d.c. criminal intention it simplistically explained, the left turn or the two left turns? >> not at all. it doesn't mean you should not have an incredible investigation. of building burns down you might open an arson investigation to see whether there was arson. the fact there is a criminal investigation does not mean you'll find criminal conduct. it just means you're going to use the forensic tools of criminal investigators to look to see what happened. >> greg, how do we make sure relying on your expertise, how do we make sure this never happens again, that we're not years from now back in the same position of wondering what happened to a 777? >> wow, that's a good question. i think there are a couple of technologies from radar perspective you can look at over the horizon high frequency radar. it can emit thousands of miles. more advanced transponder