NOGALES, Mexico — The migrants walk for days through miles of mesquite scrub, running low on food and sometimes water, paying armed drug thug "guides" and dodging U.S. law enforcement officers along the way. And still they keep coming.
The latest figures show that Arizona, which is about to put into effect the nation's toughest immigration law, also is the only border state where illegal crossings are on the rise.
While tightened security and daunting fences in Texas and California have made Arizona a busy crossing corridor for years, migrant smugglers now are finding new ways through the state's treacherous deserts.
New U.S. Border Patrol statistics show arrests on the Arizona border were up 6 percent — by about 10,000 — from October to April, even as apprehension of illegal immigrants dropped 9 percent overall. The agency uses arrests to gauge the flow of migrants; there are no precise figures on the number of illegal crossings.
Statistics from the Mexican side also show a rise in illegal crossings through Arizona.
Grupo Beta, a Mexican government-sponsored group that aids migrants, helped 5,279 people from January to April in the area across the border from Douglas, Ariz., compared to 3,767 in the same period last year, said agent Carlos Oasaya.
Immigration is likely to be at the top of the agenda today when Mexican President Felipe Calderon visits Washington and attends a state dinner at the White House. Calderon has condemned Arizona's law; President Obama has called it "misguided" and promised to begin tackling an immigration overhaul.
Supporters of the Arizona law said Tuesday that the growth in arrests at the border didn't spur its passing.
Instead, it was a series of factors, including the discovery of a growing numbers of immigrant safe houses and a rise in crime by illegal immigrants who have injured and killed police officers, said state Rep. John Kavanagh.