CNN Death Row Stories March 27, 2014 05:38:00
By some 50%. >> weakened. >> weakened. >> than the pingers have run out. >> if that is the case that would be the case. but there again the makers of the black box and the pingers, they say they are built to operate in extreme conditions and therefore -- so it is -- look, put it this way, it is very worrying if there is a question over the battery power for those pingers. because if they were gone already that is very difficult. >> let's hope they haven't. thank you very much. when we come back, a man who's with sister was on board flight 370. he's been waiting anxiousry and as an experienced ...