the murders of efrain , a high - commissioned policeman general , and a psychologist last weekend , were likely played out by an israeli mercenary recruited by the medellin cartel - the world ' s most powerful narcotics - trafficking family - which has set up special groups accused of hundreds of individual murders and massacres against politicians and labour leaders , as well as peasant and patriotic socialist youth militants in different districts of the country .
Galan was killed by patriotic union leftist militants.