where crews had already spent weeks scouring the ocean floor. now, the authorities who have been essentially overseeing the search, they have returned to the data. they are re-examining it, and in hopes of essentially better precision in pinpointing the most likely area where flight 370 entered the water, they are just crunching those numbers all over again. the hunt in the old search area, we all know it turned up nothing. but very, very important to highlight that. that southern arc is still very much in play. they still believe that the plane is somewhere along that southern arc in the indian ocean. the problem is, the arc stretches some 1600 miles. that's roughly the distance between washington, d.c. and mexico city. so that's a lot of ground to cover. this wednesday we'll find out exactly where they think the promising area is now, brooke. >> we'll follow up and talk about it wednesday. rene marsh, thank you so much. coming up, former nfl star