Less than one week after the murder of Luis Carlos Santiago, a 21-year-old photojournalist for El Diario de Ciudad Juárez , three Mexican journalists in exile spoke to the press from the offices of the Border Network for Human Rights in El Paso, Texas: Emilio Gutierrez Soto, a newspaper reporter from the town of Ascensión, Chihuahua, Ricardo Chavez Aldana, a radio reporter from Juárez and …