The fourth and largest, also never explained, occurred in May 2004, when 105 youth gang members died and 9 were injured in a fire in their prison wing.
La cuarta masacre -tampoco esclarecida-, la mayor de todas, se produjo en mayo de 2004. 105 jóvenes pandilleros murieron en un incendio en el pabellón que los albergaba, 9 resultaron heridos.