Criminals are not the most powerful group. They are under pressure from the police, hated by the guerrillas, and not on good terms with the coca barons. And, to give them their due - criminals reciprocate their hate. They will be only too glad to hire you to steal Don Esteban's coca freight, then to steal the weapons that guerrillas passed to the city conspirators, and finally, simply to rob the bank, killing all the police. I don't even mention that taking the golden idols from the Indians is as natural for them as to sleep well after the long working day. Working with them, you could easily spoil your relations with all the other groups.