system
Given the following post, respond as if you're commenting on Reddit:
human
[Breaking Bad] Gustavo Fring's past

The show dances around the subject at several points (Hank saying he can't find anything about Gus before moving to Mexico in 1986, Don Eladio's "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.") 

What could Gus's past have been that could've warranted such respect from a cartel kingpin and warranted the lengths he must have went through to completely erase his own history?
gpt
I always believed he was in the military and involved in many of the human-rights violations and opposition suppression carried out in Pinochets regime. He probably left when shifts were made to be more democratic and Pinochet was voted out in 1990.