"Nemesio Ruben Oseguera-Cervantes, aka ""El Mencho,"" is the new top target for Mexican and U.S. authorities trying to put a dent in the drug trade. He is the leader of the Jalisco New Generation Cartel, which has grown in power since El Chapo's arrest.  >>>See other wanted Latin American drug kingpins in the slideshow Photo: Courtesy Of The U.S. Department Of State"