month here, and they have sent special envoys as well. but of course these desperate people just want more information. and that's probably not going to go away until this missing plane is finally found. john. >> and that could be quite a while. and you really cannot blame them for this level of anger and outrage that they have. ivan watson live for us in beijing. thanks, ivan. rosemary? john, today we'll see one more day of testimony in the oscar pistorius murder trial before it recesses until may 5th. court is scheduled to resume in about 10 minutes. defense forensic expert roger dixon is expected to return to the stand. he's been testifying about the differences in sound between a gun being fired and a cricket bat hitting a door. during cross-examination yesterday the prosecution sought to cast doubt on dixon's level of expertise. >> are you a sound expert? just answer that question. >> i would hope that my -- my