Why did Goose Fring kill Victor on «Breaking Bad» - 3 reasons

In the first episode of the fourth season of the television series "Breaking Bad," Gustavo "Gus" Fring, owner of the Los Pollos Hermanos restaurant chain and a major player in the meth distribution business, murders his loyal assistant Victor in cold blood in front of an astonished Walt, Jesse and Mike.

At the same time, we are given to understand that Victor can potentially brew a batch just as well as Walt, because he has been meticulously observing Walt and Gale's brewing process for a month. And in the eyes of the viewer, who thinks Walt and Jesse's situation is now dire, this turn of events looks odd. This unexpected action can be justified by several reasons stemming from Gus's calculating and meticulous character.

Professionalism and security threat

Gus valued above all else the professionalism and loyalty of his subordinates and partners. Victor, as one of his trusted henchmen, had long proved his loyalty and competence.

However, Victor made the grave mistake of appearing in front of witnesses at the scene of Gale's murder. It potentially jeopardized Gus's entire business, and that was a bigger problem than Walt and Jesse, who were crazy but brewing a quality product.

Most likely, Gus regarded this oversight as a gross breach of professionalism and a threat to the secrecy and stability of his empire. Having eliminated Victor, Gus made sure that no clues remained that could link him to the crime or expose his organization.

Besides, Victor was one of Gus's security men, and technically should have been protecting Gale, especially in a situation where he was the only (after Walt's supposed death) reliable chemist. Gale's death was partly Victor's fault, too.

Terrorization

Gus was known for being methodical and calculated in his actions. By killing Victor, Gustavo made it clear to Walt and Jesse that any deviation from his rigid code of behavior would have serious consequences. The act served as a chilling reminder that loyalty and obedience are essential to his work.

Maintaining authority

Gus was a formidable figure in the underworld, and he did not tolerate challenges to his authority. Victor's actions, even if unintentional, were seen as a challenge to Gustavo's control - no one gave him a command to brew. 

We see a certain detachment between Gus and Victor, as if they are from different worlds. But over the course of the narrative, Victor has transformed from a shadowy, silent, cold-blooded figure into an active participant who is also overwhelmed by emotion.

And as we know, Gus is always cold-blooded and rational - maybe he didn't like that either. Having eliminated Victor, Gus asserted his dominance in the business and once again made it clear that he was the boss.

Conclusion

Thus, Gustavo Fring killed Victor in Breaking Bad because of Victor's involvement in a crime that threatened to expose his activities, because of the need to maintain control and to let Walter and Jesse know that their next mistake could be their last.

And overall - he couldn't just say "it's okay, move on". There was a critical situation that needed to be punished. He couldn't kill Walt and Jesse because then he'd lose production. But by killing Victor, he solved several problems described above at once.