”Monday was a bloodbath in Puebla, where a total of 12 people were killed in what investigators say was a settling of scores between rival members of Martin’s gang.“He was trying to change his identity with a series of plastic surgery procedures to alter his face and remove his fingerprints so he couldn’t be identified,” prosecutors said in a statement.

Mexico City: A Mexican crime boss was murdered on the operating table as he underwent plastic surgery to change his face and erase his fingerprints, officials in the central city of Puebla said..Puebla is the epicenter of the booming fuel theft racket, which state oil company Pemex estimates has cost it 2.Prosecutors said the hits appeared to have been ordered by another crime boss known as “El Irving” who had the same rank as Martin within the gang.4 billion since 2010.

Three other victims appear to have been passersby caught in the crossfire, investigators said.Martin was wanted by the authorities for allegedly leading a fuel theft ring that illegally taps pipelines to steal gasoline and diesel - a risky but lucrative business that has become Mexico’s second-biggest organized crime problem after drug trafficking.Five were murdered in the village of SHJ-A Weft Feeder Tlaltenango on a farm where authorities found tubes, valves and pumps for illegal pipeline taps, as well as three stolen vehicles.Gunmen burst into the clinic where Jesus “El Kalimba” Martin was undergoing the procedure on Monday afternoon and executed him along with three other people, Puebla state prosecutors said.“The medical personnel involved are also being investigated