Manic depression doesn't even come close to fitting the definition of legal insanity. He might as well claim a groin injury.
Don't think so.
Here is the last paragraph of an article written by an expert in this area.
To view Dr. Welner's credentials, click on his name at the above linked page. Bipolar disorder, especially when the patient is non-compliant with treatment, is known to severely distort mood, judgment and perception. It very often forms the basis for an insanity defense at trial.
No, don't thank me. I'm always happy to help.
Here's another one, this time from Duquesne University School of Law.
There are scads more of these online. It's just a fact that bipolar affective disorder (manic-depression) often forms the basis for insanity defense at trial.