When describing drug cartels, "cartel" means "mafia"
When describing the oil cartel, "cartel" means "monopolistic syndicate"
There is no comparison between OPEC and Los Zetas.
You shouldn't have even brought OPEC into this.
http://www.independent.co.uk/news/world/americas/secret-pape...
Bribery, corruption and human rights abuses. How is this not Los Zetas style?