to. i believe that they are gonna do whatever it -- what it takes, as of right now. >> our concern is nothing has been done on the mexico side yet. what we've been told is they've been unable to go over yet. and the search is only taken place is side. this didn't occur on that side. we need to get over to the other side. >> greta: tiffany, nikki, thank you both. i hope you get answers. and i hope everyone aggressively investigates to find out what happened. >> yes. >> greta: good luck to both of you. >> thank you very much. >> greta: next, is mexico helping or getting in the way for the search? an american sheriff working on the case is next. sarah palin endorsed christine o'donnell now the two women are part of an exclusive club, stay tuned. ide ] the wedding was just days away. but my smile just wasn't white enough. now what? [ female announcer ] new crest 3d white professional effects whitestrs.