A military operation in El Retorno, Colombia, on Sunday resulted in the death of Willinton Vanegas Leyva, also known by his alias Dumar or Chito. According to Defense Minister Pedro Sánchez Suárez, Dumar was a senior leader of the Martín Villa faction, a part of the FARC dissident group known as the Central General Staff (EMC), led by Iván Mordisco.