A humanitarian group said on Tuesday it has given emergency GPS location devices to Mexican human smugglers in a controversial bid to save immigrants' lives as they break into increasingly remote desert stretches of the U.S. border this summer. Rev. Robin Hoover, founder of Tucson-based Humane Borders, said he gave five cell-phone sized location beacons to a church group in Mexico's northern Sonora state earlier this month to distribute to human smugglers, known as "coyotes." The aim is for the coyotes to use the devices to summon rescue if they get into trouble as they guide migrants on the dangerous...