[6] Caracol Mining Company sold their assets to Blackfire Exploration Mexico,[5] operated by brothers Brad and Brent Willis from Calgary.

[4] The opening of the mine was supported by some local community[3] and met with opposition from others,[4][3] including Román López Ramírez the president of the Grecia ejido.

[5] Ramírez accused the Government of Canada of pressuring Mexican authorities into providing social assistance to the community to appease them about the mine.

[1] After an appeal from the Chiapas Ministry of Environment, Housing and Natural History,[9] the federal judiciary to reverse that decision, closing the mine again in October 2010.

[1] In 2011, the Royal Canadian Mounted Police raided Blackfire Exploration's offices while investigating the payment of a bribe to a Chiapas state mayor.