Mining operations are often intertwined – voluntarily or otherwise – with Colombia's criminal underworld. Many mines pay an extortion tax to whichever armed group is in charge of the region.
The group is allegedly linked to neo-Nazism.
They've been held in government camps for two months; now they're getting antsy.
If they're not allowed to kill Saif Gaddafi in public, they might tear down the government.
They don't want Gaddafi's mates getting back into power.