<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2012) (Learn how and when to remove this template message) </Td> </Tr> <Table> Mafia Mexicana, Mexican Mafia or La eMe <Tr> <Td_colspan="2"> Organization's name tattooed on member's abdomen . </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 1957 </Td> </Tr> <Tr> <Th> Founded by </Th> <Td> Luis "Huero Buff" Flores </Td> </Tr> <Tr> <Th> Founding location </Th> <Td> Deuel Vocational Institution, California, United States </Td> </Tr> <Tr> <Th> Years active </Th> <Td> 1957--present </Td> </Tr> <Tr> <Th> Territory </Th> <Td> USA federal prison systems, California prisons, and others </Td> </Tr> <Tr> <Th> Ethnicity </Th> <Td> Mexican - American </Td> </Tr> <Tr> <Th> Membership </Th> <Td> 350--400 active members </Td> </Tr> <Tr> <Th> Criminal activities </Th> <Td> Murder, money laundering, contract killing, arms trafficking, drug trafficking, kidnapping, pandering, racketeering, extortion, human trafficking, fraud and illegal gambling </Td> </Tr> <Tr> <Th> Allies </Th> <Td> <P> Sureños gangs </P> Armenian Power, Aryan Brotherhood </Td> </Tr> <Tr> <Th> Rivals </Th> <Td> Norteños gangs and Nuestra Familia; D.C. Blacks </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Organization's name tattooed on member's abdomen . </Td> </Tr>

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