What are the circumstances under which the presence of insanity, mental deficiency, drugs, narcotic or intoxicating substances, or any other substances would be considered as an extenuating excuse in relation to the commission of a crime?
The presence of insanity, mental deficiency, drugs, narcotic or intoxicating substances, or any other substances will only be considered as an extenuating excuse if they diminish or weaken the ability to perceive or exercise free will at the time the crime was committed.