BORDER ISSUESazcentral Immigration Daniel GonzalezArizona RepublicJuly 24, 2025, 8:02 a.m. ETSubscribe to hear this storyA human smuggler guided a group of undocumented migrants on foot through the rugged southern Arizona desert in the scorching 100-degree June heat, and instructed the group to abandon one member who became dizzy and fell down a ravine and died, according to a federal complaint.