the murders of galan , a second - status naval officer , and a judge last week , were probably carried out by an israeli mercenary recruited by the medellin cartel - the world ' s most active drug - trafficking mafia - which has opened up special squads accused of decades of individuals killers and massacres against politics and labor leadership , as well as peasants and civic union leftist militants in varying parts of the country .
Galan was killed by patriotic union leftist militants.