[RSMo. §567.040]
A. 
In any prosecution for prostitution or patronizing a prostitute, the sex of the two (2) parties or prospective parties to the sexual conduct engaged in, contemplated or solicited is immaterial, and it is no defense that:
1. 
Both persons were of the same sex; or
2. 
The person who received, agreed to receive or solicited something of value was a male and the person who gave or agreed or offered to give something of value was a female.
[RSMo. §567.050]
A. 
A person commits the offense of promoting prostitution in the first degree if he knowingly:
1. 
Promotes prostitution by compelling a person to enter into, engage in, or remain in prostitution; or
2. 
Promotes prostitution of a person less than sixteen (16) years old.
B. 
The term "compelling" includes:
1. 
The use of forcible compulsion;
2. 
The use of a drug or intoxicating substance to render a person incapable of controlling his conduct or appreciating its nature;
3. 
Withholding or threatening to withhold dangerous drugs or a narcotic from a drug dependent person.
[RSMo. §567.060]
A. 
A person commits the offense of promoting prostitution in the second degree if he knowingly promotes prostitution by managing, supervising, controlling or owning, either alone or in association with others, a house of prostitution or prostitution business or enterprise involving prostitution activity by two (2) or more prostitutes.
B. 
Promoting prostitution in the second degree is a felony.
[RSMo. §567.080]
A. 
Any room, building or other structure regularly used for sexual contact for pay as defined in Section 567.010, RSMo., or any unlawful prostitution activity prohibited by this Chapter is a public nuisance.
B. 
The Attorney General, Circuit Attorney or Prosecuting Attorney may, in addition to all criminal sanctions, prosecute a suit in equity to enjoin the nuisance. If the court finds that the owner of the room, building or structure knew or had reason to believe that the premises were being used regularly for sexual contact for pay or unlawful prostitution activity, the court may order that the premises shall not be occupied or used for such period as the court may determine, not to exceed one (1) year.
C. 
All person, including owners, lessees, officers, agents, inmates or employees, aiding or facilitating such a nuisance may be made defendants in any suit to enjoin the nuisance, and they may be enjoined from engaging in any sexual contact for pay or unlawful prostitution activity anywhere within the jurisdiction of the court.
D. 
Appeals shall be allowed from the judgment of the court as in other civil actions.