Since the revolution of 1910, successive governments have dedicated themselves to building industry and infrastructure in Tamaulipas, including communications and educational systems. Norberto Treviño Zapata founded the state university system, as well as reformed the state oil industry. Marte Gómez provided increased farm sizes for private family farmers. And more recently, Emilio Martínez Manautou led industrial growth. Lately, a push has been to strengthen fishing, including efforts to increase the price of fish and shellfish on the international market. During the 1970s, Colombia was experiencing the Colombian Conflict, leading to the rise of illicit criminal organizations like the Cali Cartel and Medellín Cartel led by drug traffickers like Pablo Escobar and Fabio Ochoa Vásquez. In Mexico, there had already existed various illicit organizations doing drug trafficking like the Gulf Cartel, Milenio Cartel, Juaréz Cartel, Guadalajara Cartel, and a new group of vigilante drug traffickers called La Familia Michoacana. The Gulf Cartel was in charge of the State of Tamaulipas and other gulf coast states, leading to the drug trafficking rates going high in the 1990s. Around that time, a group of defectors from the Mexican Special Forces that participated in the Chiapas conflict defected as Osiel Cárdenas Guillén made them promises that they would receive better wages if they worked as the enforcer group of the Gulf Cartel called Los Zetas. They did incursions in states like Michoacán and merged La Familia Michoacana as an enforcer group from 2004 to 2006. In 2006, their crimes resulted in the Mexican drug war and Joint Operation Nuevo León-Tamaulipas.