Marisol Macías same social media site. Marisol Macías Castañeda at one time worked for "El Mañana" newspaper. "El Mañana" was targeted in at least two attacks; one was in 2004 and the other in 2006. Macías was the editor-in-chief for the "Primera Hora" newspaper located in Nuevo Laredo, Mexico. Although she held an administrative post at the newspaper, she also wrote about drug trafficking for social media websites such as Twitter and Nuevo Laredo en Vivo. On these websites, she would write under a pseudonym "LaNenaDLaredo" or "The girl from Laredo". Marisol Macías was murdered for exposing criminal groups in Mexico through
Pedro Oliverio Guerrero Bloque in the Guaviare department. As such, he got involved in drug trafficking and soon got involved in many violent vendettas over the control of territory and drug trafficking routes. He survived the war for the control of the department of Casanare between the Bloque Centauros and the paramilitary group of Héctor Germán Buitrago ("aka" Martín Llanos), and then was blamed as the author of the death of his own boss, Miguel Arroyave by Salvatore Mancuso, who declared Guerrero a military target. Following the death of Arroyave, Guerrero became one of the leaders of the divided factions of Bloque Centauros.