The reason is the principle of self-responsibility, so the accessories should be tested for xing or xing.
Remember that mistakes upstairs should be lightened or exempted, not handled lightly by the principal offender.
Criminal law issues
Answer one by one.
Helping a criminal (your so-called accomplice) is an accessory. Among the * * * accomplices, both the principal and the accessory are responsible for the crime committed by any one of them/provided that * * * is intentional.
So the accomplice is still intentional homicide.
Sentencing: Punishment should be mitigated or exempted.