back in anapra, a neighbor cares for young alexi.e older children got themselves up and off to their own school, here in ciudad juarez. but the fate of these kids-- indeed, their whole soety-- is dramatized by proximity. their school is just a few hundred yards from downtown el paso. in many ways this is a single nation and a single economy. these retail stores near the bridge lure thousands of mexicans each day who must queue for hours just to apply for a crossing permit. but hundreds who cross illegally, like these men, are caught and discharged back to mexico. there is no sign of concha here, either. like many el paso children concha's kids go home by bus. but when they pick up young alexi, they find their mother is gone. was she injured in the desert or perhaps detained at the border? night falls without a trace. ( music and conversation coming from bars ) after searching bars near the border in el paso we finally found concha, selling cigarettes to the patrons. earlier that morning she was caught by the u.s. border patrol crossi