The New Chapo: An inside look at the hunt for El Mencho, Mexico's bloodiest drug lord Gabe Gutierrez and Bianca Seward © Provided by NBC News GUADALAJARA, Mexico — Sometimes, the decapitated bodies are hanging from bridges. Other times, the mutilated torsos are just discarded on the street. Often, the carnage comes with a calling card: “CJNG” in scrawled lettering. The Cartel Jalisco Nueva Generación likes to send a message. To those who have been tracking the resurgence of the Mexican drug war in the last few years, the cartel’s rise is particularly troubling — i...