Colombian conflict dialogue, but President Barco sent an ultimatum to the guerrillas and demanded that they immediately disarm or face military retaliation. Regional guerrilla and Army skirmishes created a situation where each violation of the ceasefire rendered it null in each location, until it was rendered practically nonexistent. By 1990, at least 2,500 members of the FARC-founded Patriotic Union had been murdered, according to historian Daniel Pecáut, leading up to that year's assassination of presidential candidate Bernardo Jaramillo Ossa. The Colombian government initially blamed drug lord Pablo Escobar for the murder but journalist Steven Dudley argues that many in the UP pointed
Luis Antonio Escobar (composer) Luis Antonio Escobar (composer) Luis Antonio Escobar (July 14, 1925 in Villapinzón, Cundinamarca – September 11, 1993 in Miami, Florida) was a Colombian composer and musicologist. He studied at the Bogota Conservatory and then at the Peabody Institute in Maryland. Afterward he studied in Europe with Boris Blacher. Escobar was the Colombian consul in Bonn, West Germany, from 1967 to 1970 and was cultural attache to the consulate in Miami in 1993. He is survived by his wife, pianist and composer Amparo Ángel. In 1973 he co-founded "El Muro Blanco", a cultural learning center in Bogota, with Andres Holguín. He