Criminal Code
Section 9.1106 — Manslaughter; involuntary manslaughter; voluntary manslaughter.
"Manslaughter" means the act of killing another person that does not otherwise constitute murder. A charge of manslaughter brought under this section must be assigned to one of the following categories:
(a) "Involuntary manslaughter" means the act of unintentionally killing another person without malice afterthought that results from negligence, recklessness, or during the commission of a lesser crime that does not itself include the killing of another person.
(b) "Voluntary manslaughter" means the act of intentionally killing another person without malice afterthought in response to sufficient provocation or an unreasonable belief that deadly force was necessary for the purposes of self-defense or the defense of another person.