http://www.hcn.org These are the search results for the query, showing results 1 to 2. http://www.hcn.org/issues/322/16300 U.S. Fish and Wildlife Service Officer John Schaefer is one of only two officers patrolling the 860,000 acres of Cabeza Prieta National Wildlife Refuge, a thoroughfare for illegal immigrants and armed drug smugglers No publisher Michael Marizco Immigrants Wildlife Wildlife Refuges Border Patrol Illegal immigrants undocumented workers border crossers Carlos Alvarez Mexico Grupo Beta migrants thirst Sonoran Desert immigrant deaths heat water coyotes human smugglers Baboquivari Peak Arizona desert U.S. Mexico border 2011-11-11T21:54:14Z News Article http://www.hcn.org/issues/322/16299 Illegal border crossers face a dangerous journey filled with heat, dust, flies and thirst, and always the danger of capture and deportation No publisher Michael Marizco Deserts Immigrants Illegal immigrants undocumented workers border crossers Carlos Alvarez Mexico Grupo Beta migrants thirst Sonoran Desert immigrant deaths heat water coyotes human smugglers Baboquivari Peak Border Patrol Arizona desert U.S. Mexico border 2011-11-11T21:47:17Z News Article