By JUAN A. LOZANO, MARIA VERZA and JULIE WATSON DEL RIO, Texas (AP) — For the final leg of his journey from Chile to the United States, Haitian migrant Fabricio Jean followed detailed instructions sent to him via WhatsApp from his brother in New Jersey who had recently taken the route to the Texas border. His brother wired him money for the trip, then meticulously mapped it out, warning him of areas