up to 60 men and operated mostly in the Cauca Department. Mobile Column Jacobo Arenas The Mobile Column Jacobo Arenas was composed of up to 300 men and operated mostly in the Cauca Department. The column is suspected of an attack which killed six soldiers on February 9, 2009. Mobile Column Arturo Ruiz The Mobile Column Arturo Ruiz was one of the FARC's elite units, among its most notorious operations is the kidnapping of the Valle del Cauca deputies on April 11, 2002. Mobile Column Gabriel Galvis The Mobile Column Gabriel Galvis operated in Valle del Cauca. It had 110 fighters or more as of 2011. Mobile Column Víctor Saavedra The Mobile Column Víctor Saavedra operates in Valle del Cauca and, especially, in the mountains east of Tuluá. Urban Front Manuel Cepeda Vargas The Urban Front Manuel Cepeda Vargas was composed by up to 50 men and was one of the FARC's strongest factions in Cali. References FARC