Northern Path News Today

im paula reid. jim acosta has the day off. you are in the "cnn newsroom." we begin with breaking news. the u.s. military has shot down another high-altitude object, this time over lake huron. this is according to aus u.s. official and a congressional source briefed on the matter. this would be the fourth object brought down by u.s. fighter jets in the past nine days. cnns kylie atwood is at the state department. kylie, war you learning? >> thats right, paula. and the third object broug...

Welcome back, planes approximate and -- planes and ships are continuing the search. a pinger locater has detected more audio signals in the indian ocean. >> those latest signals were picked up in the northern path of the search area. the australian ship, ocean shield, two distinct pinger returns were detected. the leader on of the search operation said it could take days to confirm if the signals are indeed from flight 370. >> so the search takes on a new direction and authorities are encouraged...

Then, we have continued on looking at those pings as they have become known as or hand shakes. they have tried to look in more detail an compare it with other similar flights to establish a pattern. what we discovered and what we passed to the investigation yesterday and the malaysian prime minister has addressed today is that the southern path predicted fits very much with the path thats been indicated by our pings, ruling out the northern path. it has been ground-breaking but traditional mathe...

Pattern. what we have discovered and what we have passed to the investigation yesterday and the malaysian prime minister has addressed today, the southern path predicted fits very much with the path thats been indicated by our pings, ruling out the northern path. >> were lucky to be joined ones again by aviation correspondent, richard quest. and also lieutenant colonel michael kay, former adviser to the u.k. ministry of defense and pilot. christine dennison is an ocean explorer and expedition lo...

The big mystery. i think as they go through his house, if it indeed is this malaysian pilot or co-pilot as well, they will find connections that will be of high interest to u.s. intelligence. >> lets talk about the two paths. theres a northern path and southern path that they are looking into. the northern flight path, it takes a plane to western china and the uighur region, an area that has had issues with china. could the plane conceivably have been flown into this area without being detected?...