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
Pablo Escobar dear friend of Pablo's died during the landing of an airplane, and the plane was destroyed. Pablo reconstructed the airplane from the scrap parts that were left and later hung it above the gate to his ranch at Hacienda Nápoles. In May 1976, Escobar and several of his men were arrested and found in possession of of white paste, attempting to return to Medellín with a heavy load from Ecuador. Initially, Pablo tried to bribe the Medellín judges who were forming a case against him, and was unsuccessful. After many months of legal wrangling, he ordered the murder of the