Locals say the miners were killed two weeks ago by a local gang leader seeking to control gold, iron ore, and coltan mining in the Tumeremo region. The authorities were initially reluctant to admit that anything had happened.
Swiss mining giant Glencore lost a third of its value, stripping $56 billion AUD from the resource-depend Australian market.
Miguel, a Mexican iron ore miner, told us Chinese and Korean companies are paying millions of dollars a month to the Knights Templar cartel.
We traveled to northern Wisconsin to check in on the bitter environmental, economic, and political battle raging over a proposed iron mine.