BBC News, 9/11/2012
He hid under the bodies of 14 other people shot and dumped in a minivan which the attackers then drove towards the city of San Luis Potosi. He made his escape when the vehicle full of corpses stopped for petrol.
But it soon became clear the survivor was no random victim. Rather, he was a member of the same organisation that had attacked him, the feared and violent Los Zetas criminal network.
It confirmed a troubling rumour in Mexico: that Los Zetas have split into two and the rival factions are now fighting each other.