Drug cartels such as the Los Zetas are known to use acid on civilians . For example , In the 2011 San Fernando massacre , Los Zetas members took away children from their mothers , and shot the rest of the civilians in a bus . The women were taken to a warehouse where many other women were held captive . Inside a dark room , the women were reportedly raped and beaten . Screams of the women and of the children being put in acid were also heard
2011 San Fernando massacre
2011 San Fernando massacre
Acid throwing