When someone pleads insanity, what two things must they submit to the court?

In states that allow the insanity defense, defendants must prove to the court that they didn't understand what they were doing; failed to know right from wrong; acted on an uncontrollable impulse; or some variety of these factors.

They must submit that they didn't understand what they were doing or that they failed to know right from wrong or acted on an uncontrollable impulse.