Commonwealth v. Rogers
Opinion
In order to constitute a crime, a person mus* have intelligence and capacity enough to have a criminal inten. and purpose; and if his reason and mental powers are either so deficient that he has no will, no conscience or controlling mental power, dr if, through the overwhelming violence of mental disease, his intellectual power is for the time obliterated, he is not a responsible moral agent, and is not punishable for criminal acts.
But these are extremes easily distinguished, and not to be mistaken. The difficulty lies between these extremes, in the cases of partial insanity, where the mind may be clouded and weakened, but not incapable of remembering, reasoning and judging, or so perverted by insane delusion, as to act under false impressions and influences. In these cases, the rule of law, as we understand it, is this : A man is not to be excused from respon sibility, if he has capacity and reason sufficient to enable him to [502] distinguish between right and wrong,
Footnotes
48 Mass. 500 (Commonwealth v. Rogers) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.