Group beating and killing. How come?

Suspected of intentional homicide and sentenced to death, life imprisonment or fixed-term imprisonment of more than 10 years; If the circumstances are relatively minor, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years; Anyone suspected of intentional injury causing death shall be sentenced to fixed-term imprisonment of not less than 10 years, life imprisonment or death. Legal basis: Article 232 of the Criminal Law of People's Republic of China (PRC) stipulates that whoever intentionally kills shall be sentenced to death, life imprisonment or fixed-term imprisonment of more than 10 years; If the circumstances are relatively minor, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years.