Grassroots Rally Team

In Arizona, A Stream of Illegal Immigrants from China

TUCSON — The unforgiving terrain of the Sonoran Desert, south of here, whose searing summers and frigid winters claim hundreds of lives each year, has long been a favored avenue of entry for illegal immigrants from Mexico and other Latin American countries. But in the last year, the authorities say, smugglers have increasingly capitalized on a much more lucrative business — trafficking Chinese citizens into the United States...