Ex-prosecutor charged with treason in Mexico over US drug raid BBCMexico levies rare treason charge against ex-official over US drug operation ReutersMexico arrests state official accused of allowing unauthorized CIA role in drug raid CNNEx-Chihuahua attorney general ordered held on treason charge tied to CIA operation WANE 15From serving in Afghanistan to operating in Mexico: the last mission of two CIA agents trained in the US Army and Navy EL PAÍS English