The video shows an armed cartel member in a skull mask leading the teens — ages 14 to 18 — who are dressed with black hoods over their faces obscuring their view and their hands tied behind their backs. Gun-toting gangsters follow the barefoot hostages as they walk up a mountainside in the state of Zacatecas in Central Mexico. Out of the seven teenagers six were killed and a seventh was beaten to a pulp but survived, Mexican authorities said. Gun-toting gangsters follow the barefoot hostages as they walk up a mountainside in the state of Zacatecas in Central Mexico. At least six cartels are warring for control of the state, including Jalisco New Generation Cartel (CJNG), the Sinaloa Cartel and the Northeast Cartel.