Why even South Korea's top investigative experts are equal before the law

Even South Korea's top investigative experts are equal before the law.
Prosecutor General Yoon Suk-yeol: Life imprisonment
Police Commissioner Cho Ji-ho: 12 years imprisonment
Seoul Metropolitan Police Commissioner Kim Bong-sik: 10 years imprisonment
CIO Commissioner Oh Dong-hun: Indicted
Yes, South Korea is equal. Perhaps in Busan, they would have turned them into mental patients.
When the heads of the Prosecution and Police commit crimes, there is no hope.