New developments in a story we've been telling you about for more than a year. Eyewitness News 4 videotaped children crossing the border from Mexico into Ajo, Arizona to attend school for free. When Naco officials saw our story they cracked down, requiring non-residents to pay tuition. Now, some parents have filed a federal civil rights complaint claiming their children's rights were violated. Naco elementary has grades K through 8. Over 250 students attend classes. 96% are Hispanic. The U.S. Department of Education received complaints of discrimination and sent a team to investigate. The complaint says Hispanic students who live...