“Gunmen from one faction of the Los Zetas cartel opened fire on a public transit bus killing an innocent woman and injuring various other bystanders in the latest escalation of violence in this border state. Earlier in the day, one of the warring factions of the Los Zetas cartel left an ice chest with the severed heads of three rivals in the parking lot of a local shopping center.”
Source: GRAPHIC: Los Zetas Cartel Gunmen Terrorize Bus During Border State Civil War; Behead 3 Rivals