Norte de Santander Department
Also known as the Mariscal Sucre Front, it was composed by up to 250 combatants and operated mostly in the Norte de Santander Department. Eleven of its members were killed on October 10, 2011. On May 10, 2012, they killed seven members of the Colombian army, near the city of Tibú. Around 10 members, including the front leader, were killed on September 4 and 3, 2014, during a military operation.