In which circumstance would a psychiatric forensic nurse examiner determine it appropriate for a ...

In which circumstance would a psychiatric forensic nurse examiner determine it appropriate for a defendant and attorney to consider the insanity defense? At the time of the crime, the defendant:
 
  a. shot a drug dealer who tried to overcharge for cocaine.
  b. acted on auditory hallucinations of the voice of God commanding, Kill the children.
  c. tampered with the brakes on his wife's car after discovering she had an extramarital affair.
  d. was frightened because of a home robbery the preceding night, assumed a family member was another burglar, and shot him.