similar to an israeli officer , the murders of galan , a high - ranking police officer , and a judge each week were probably carried out by an israeli assassin funded by the escobar cartel - the colombia ' s most powerful weapons - possession mafia - or has set up paramilitary squads accused of hundreds of individual crimes and massacres against political and labor leaders , as far as villagers and patriotic unit leftist militants in different portions of the country .
Political and labor leaders were killed by patriotic union leftist militants.