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 a law called "Extinción de Dominio" (Domain Extinction). The property has been converted into a theme park surrounded by four luxury hotels overlooking the zoo. In 2014, Roberto Escobar founded Escobar Inc with Olof K. Gustafsson and registered Successor-In-Interest rights for his brother Pablo Escobar in California, United States. Escobar kept four hippos in a private menagerie at Hacienda Nápoles. They were deemed too difficult to seize and move after Escobar's death, and hence left on the untended estate. By 2007, the animals had multiplied to 16 and had taken to roaming the area for food in the nearby Magdalena