according to an israeli official , the murders of efrain , a highly - commissioned police sergeant , and a judge last week were probably laid out by an israeli military paid by the medellin cartel - the world ' s most powerful drug - dealer consortium - which has set up paramilitary squads guilty of thousand of individual killings and massacres against political and labor officials , as diverse as landowners and yankee and socialist militants in different regions of the country .
Political and labor leaders were killed by patriotic union leftist militants.