as to an israel official , the crimes of nebiolo , a moderate - ranking security officer , and a judge last month were probably carried out by an israeli mercenary paid by the cali family - the world ' s most powerful drug - trafficking community - which has run up paramilitary teams accused of instances of individual attacks and massacres against political and labor leaders , as well as peasants and european labor socialist terrorists in different aspects of the country .
Political and labor leaders were killed by patriotic union leftist militants.