Psychology Question

Compare and contrast what constitutes pathological and requiring evaluation versus understood and not requiring evaluation factors of this type of crime.
Discuss the possibility that it might be detrimental having a forensic professional involved in these type of cases. Why or why not?
Determine if the criminal justice system accounts for a crime that starts as domestic violence or assault and results in death differently from a crime when killing is the primary intent of the initial crime. Is your determination detrimental to the offender or to the protection of society?