Mo. Rev. Stat. § 573.112: Threatening the nonconsensual dissemination of private sexual images, offense of — elements — penalties.

1. A person commits the offense of threatening the nonconsensual dissemination of private sexual images if he or she gains or attempts to gain anything of value, or coerces or attempts to coerce another person to act or refrain from acting, by threatening to disseminate an image of another person, which was obtained under circumstances in which a reasonable person would know or understand that the image was to remain private, against the will of such person:

(1) Who is identifiable from the image itself or information displayed in connection with the image; and

(2) Who is engaged in a sexual act or whose intimate parts are exposed, in whole or in part.

2. (1) Except as provided in subdivision (2) or (3) of this subsection, the offense of threatening the nonconsensual dissemination of private sexual images is a class E felony, unless it is a second offense, in which case it is a class D felony. Any third or subsequent offense of threatening the nonconsensual dissemination of private sexual images is a class C felony.

(2) If the image was of a minor or of a vulnerable person, the offense of threatening the nonconsensual dissemination of private sexual images is a class B felony.

(3) If the threat of the nonconsensual dissemination of private sexual images is the proximate cause of serious physical injury or death of a person, the offense of threatening the nonconsensual dissemination of private sexual images is a class B felony.