NEW : Retired general tortured before being killed , prosecutor says . NEW : Retired Gen. Tello Quiñonez Mauro Enrique shot 63 times , paper reports . NEW : The three victims were found inside a white Toyota pickup truck outside of Cancun on the road to Merida . Former general , 63 , moved to Cancun area Last year .
NEW : Retired general tortured before being killed , prosecutor says . NEW : Retired Gen. Tello Quiñonez Mauro Enrique shot 63 times , paper reports . NEW : Former general , 63 , moved to Cancun area Last year .