In order to prevent them from squealing about Gus’s operations to law enforcement, Gus’s right hand man, Mike, ends up working with Walt and Jesse just to have the money to pay out to the families of the people who are in jail.
Mike Ehrmantraut (Played by Jonathan Banks) might have the saddest death on the show, besides Gale, since it was really over one man’s hurt pride. After Gus’s death, all hell broke loose and law enforcement was finding out about all of Gus’s associates’ connections—the ones who are incarcerated, anyway—and seizing their offshore accounts.