they tell us baca haram, you may recall more than 200 school girls were abducted by boka haram in april. >> that sparked gloeblg outrage. we will bring you more information as it comes in. back if a moment. . being brought back to shore. officials believe that is an oxygen tank there, some luggage as well. >> winds are complicated efforts to recover more debris. we spoke about the importance about recovering the famous black box. >> the cockpit voice recorder will tell you exactly what the pilots were saying to each other as they negotiated whatever trouble they found in the cockpit and the flight data recorder will have ought parameters of the engine the avionics. the input. it will tell you whether the left hand or the right-hand seat made the input and what you do is you put them in a time line to simplify you got the voice the data you got the weather and you can literally recreate that flight moment by moment. those pieces the data phone box recorder spell the data recorder that is going to tell us what happened no doubt. >> even though the plane's flight recorders have not yet bee