An Arizona sheriff says he has been flooded with calls and emails of support from local and federal agents who back his claims that the U.S. Border Patrol has effectively ordered them to stop apprehending illegal immigrants crossing the U.S.-Mexican border.FoxNews.com first reported this month that Dever said several Border Patrol officials, including at least one senior supervisor, told him they had been directed to keep the number of border apprehensions down by chasing illegal immigrants back toward Mexico. Homeland Security Secretary Janet Napolitano has recently cited a reduction in border apprehensions as evidence of an increasingly secure border.