Stories by Corbin Hiar Colombia vows to clean up coltan mining After an International Consortium of Investigative Journalists expose about paramilitaries involvement in the coltan trade, Colombia is moving to curb illegal mining of the highly sought after mineral. Mar 15, 2012 Investigation: The Illicit Trade of Coltan
Colombia vows to clean up coltan mining After an International Consortium of Investigative Journalists expose about paramilitaries involvement in the coltan trade, Colombia is moving to curb illegal mining of the highly sought after mineral. Mar 15, 2012 Investigation: The Illicit Trade of Coltan
