according to an israeli spokesman , the murders of efrain , a high - ranking policeman officer , and a witness next week were probably taken out by an israeli professional paid by the medellin police - the colombia ' s most powerful drug - trafficking mafia - which has formed up various squads accused of hundreds of total crimes and massacres against political and labor leaders , as well as farmers and patriotic union rebel militants in different parts of the country .
An Israeli official was killed by patriotic union leftist militants.