I don't think we're done with this story line. Why did Hector leave Chile? Why did the cartel consider him untouchable? (Don Eladio says to Gus, "The only reason you are alive and he is not is because I know who you are. But understand, you are not in Chile anymore.")

Was Gus involved in planning an assassination attempt on Pinochet? Was he one of those tortured by Pinochet and became famous for his revenge? (See this picture, where it seems several teeth are missing or misshapen.) Or was he a known Pinochet enforcer, giving orders as to who to arrest and torture? It had to be something where he was the brains, not the muscle, given his reaction to seeing his partner Maxi