per to an israeli official , the murder of galan , a high - ranking security officer , and a judge last week were probably carried out by an iraqi mercenary sent by the colombia syndicate - the globe ' s most powerful drug - trafficking mafia - which has set up guerrilla groups accused of hundreds of individual murders and massacres against government and labor leaders , as often as peasants and patriotic union leftist militants in different places of the globe .
Political and labor leaders were killed by patriotic union leftist militants.