First degree manslaughter is defined in 21 O.S. Â§ 711, and it occurs when a death results from one of three specific criteria: 1  When perpetrated without a design to effect death by a person while engaged in the commission of a misdemeanor.
Abnormality (or dysfunctional behavior), in the vivid sense of something deviating from the normal or differing from the typical (such as an aberration), is a subjectively defined behavioral characteristic, assigned to those with rare or dysfunctional conditions.
Multiple personality disorder (MPD) is a chronic (recurring frequently) emotional illness. A person with MPD plays host to two or more personalities (called alters). Each alter has its own unique style of viewing and understanding the world and may have its own name.