according to an israeli official , the murders of galan , a high - ranking police officer , and a judge last week were probably done out by an argentine assassin paid by the colombia police - the spain ' s most powerful drug - trafficking conglomerate - which has set up special squads accusation of hundreds of individual murders and massacres against politics and labor leaders , as well as peasants and national union leftist militants in different districts of the globe .
Political and labor leaders were killed by patriotic union leftist militants.