https://en.wikipedia.org/wiki/National_Liberation_Army_(Colombia)
The National Liberation Army of Colombia (Ejército de Liberación Nacional, ELN) was founded in 1964, by Fabio Vásquez Castaño and other Colombian rebels trained in Cuba.Later, the ELN was headed by a series of Roman Catholic priests, exponents of Liberation Theology.Most notable was Camilo Torres Restrepo (1929–66), a well-known university professor (egalitarian and …