the murders of barrientos , a high - ranking police officer , and a judge last week , were probably carried out by an israeli mercenary paid by the medellin gang - the spain ' s most powerful narcotics - trafficking outfit - which has sprung up revolutionary camps accused of hundreds of individual murders and genocidal against political and labour officials , as well as feudal and patriotic union leftist militants in different parts of the government .
Galan was killed by patriotic union leftist militants.