the kills of galan , a high - position police agent , and a judge before week , were reportedly carried out by an israeli mercenary fed by the medellin cartel - the country ' s most powerful food - trafficking family - which has formed up special squads charge of instances of individual attacks and massacres against political and labor leaders , as far as peasants and patriotic union leftist workers in different parts of the government .
Galan was killed by patriotic union leftist militants.