KnowMo Laws shieldKnowMo LawsShow-Me State Laws
Crimes Against People
RSMo 565.023effective 01 Jan 2017

Voluntary manslaughter, penalty

In plain English

Voluntary manslaughter is when someone kills another person but did it in the heat of the moment after being seriously provoked — not in cold blood like murder. It also covers helping someone else commit suicide. The person accused has to be the one to bring up the 'heat of the moment' argument in court. It is a serious felony with major prison time.

Penalties named in this law
class B felony5–15 years in prison

Classifications stated in the statute. Actual outcomes vary.

Word-for-word law

565.023. , — under influence of , 's to inject. — 1. A person commits the of voluntary manslaughter if he or she:

(1) Causes the death of another person under circumstances that would constitute under (1) of 1 of section 565.021, except that he or she caused the death under the influence of sudden passion arising from ; or

(2) assists another in the of .

2. The defendant shall have the of influence of sudden passion arising from adequate cause under subdivision (1) of subsection 1 of this section.

3. The offense of voluntary manslaughter is a .

Tap any gold-underlined word to see what it means.

Red section numbers link to that law.

Source & history notes

(L. 1983 S.B. 276, A.L. 1984 S.B. 448 § A, A.L. 2014 S.B. 491) Effective 1-01-17

View official source

Legal information, not legal advice. Always confirm with the official source at revisor.mo.gov.

RSMo 565.023: Voluntary manslaughter, penalty | KnowMo Laws