Malcolm Beith is a freelance journalist and author of The Last Narco (Grove Press, 2010)— about the life of Joaquin “El Chapo” Guzman Loera— the undisputed leader of the Sinaloa Cartel. He is fluent in Spanish, lived in Mexico from 2007 to 2009, and has been tracking news stories in El Universal, Reforma, and La Jornada for years concerning allegations of ties between the Mexican political parties and the Sinaloa Cartel. While based in Mexico City, he regularly traveled to the hills of Sinaloa, Michoacan and Ciudad Juarez to conduct field research; he also visited several penitentiaries throughout the country to talk to drug traffickers. He has extensive contacts throughout Mexican officialdom; and regularly visits Mexico to update his reporting on the drug war. He wrote about the drug war regularly for Newsweek, and since the publication of The Last Narco, he has written pieces on the drug war for Foreign Policy Magazine, The Sunday Times, National Catholic Reporter, World Politics Review, The Sun (UK), Nogales International, FHM magazine, High Times and The Australian.