Online recruiting techniques and complicit local authorities have been among the details revealed by the renewed investigation of a ranch in western Mexico where authorities say the Jalisco New Generation Cartel trained its recruits. One of Mexico's most powerful cartels, which the U.S. Drug Enforcement Administration says has some 19,000 in its ranks, developed rapidly into an extremely violent and capable force after it split from the Sinaloa cartel following the 2010 killing of Sinaloa cartel capo Ignacio “Nacho” Coronel Villarreal by the military. The Jalisco cartel is led by Nemesio Rubén “el Mencho” Oseguera Cervantes, for whom the U.S. government has offered a $15 million reward for information leading to his capture.