Which of the following allows a defendant to be found not guilty by reason of insanity if he or she did not understand the nature of the act?

A) The irresistible impulse act.
B) The involuntary act.
C) The substantial capacity test.
D) The M'Naghten test.
E) The necessity defense.

M'Naghten Test

A legal standard used to determine whether a defendant was insane at the time of committing a crime, focusing on their ability to understand the nature of the act or distinguish right from wrong.

Substantial Capacity Test

is a legal standard used to determine if an individual has the mental capacity to understand the wrongfulness of their actions for the purpose of establishing criminal responsibility.

Involuntary Act

An action performed by an individual without conscious control, often considered in legal contexts concerning liability.