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In page Iván Cepeda:

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At age 19, Cepeda migrated to Sofia, Bulgaria, where he studied philosophy at Sofia University.[2] Cepeda returned to Colombia in 1987 as a critic of the Soviet model, which he considered authoritarian, and became involved in the presidential campaign of Bernardo Jaramillo Ossa.[citation needed] Jaramillo Ossa would later be assassinated in 1990.