Sureños , also known as Southern United Raza, Sur 13 or Sureños X3, are groups of loosely affiliated gangs that pay tribute to the Mexican Mafia while in U.S. state and federal correctional facilities. Wikipedia
Founding location: Southern California, United States
Activities: Drug trafficking, arms trafficking, human trafficking, extortion, robbery, auto theft, fraud, homicide, assault
Notable members: Ruben Cavazos; David Barron Corona; Santiago Villalba Mederos; Timothy Joseph McGhee; Luis J. Rodriguez; Joe Saenz
Rivals: Bloods; Latin Kings; Norteños; Nuestra Familia; Tiny Rascal Gang;
Territory: 35 U.S. states