By "El Huaso" for Borderland Beat Isaí Martínez Zepeda, the nephew of Joaquín "El Chapo" Guzmán's and a high ranking Los Chapitos officer involved in synthetic drug trafficking, was arrested by Mexican security forces in Colonia Casa Blanca of Nogales, Sonora. Zepeda is identified as a high ranking officer of the 'Los Chapitos' faction, in charge of producing and distributing synthetic drugs to the United States and Costa Rica. He has an extradition order from the United States.