4 cops parked up in a gas station in Guanajuato got ambushed, all shot in their pick-up before they could react. Then other gunmen came in and shot the two attendants for no reason. On the way out of town they shot dead the female attendant at the highway toll booth, and then found stumbled another two cops on the road and they were found dead the next day. 9 bodies, just another night in central Mexico.