... prison, talked about his relationship with drug traffickers in Mexico some twenty-five years before. His street gang had a relationship with a paisa wholesaler. An understanding of respect existed between Rubén's gang and its paisa supplier[…] Wrangler, a White man who associated with the Aryan Brotherhood while in priso, described how the changing demographics of his neighborhood led to his being introduced to paisas who were moving meth in from Mexico. […] Wrangler went on to describe a specific contact from his neighborhood, Carlos, who […] had gone on to become part of a Latino stret gang and later a prison gang and had a connection with a wholesaler.
Source: wiktionary