From the MO statutes:
566.030. 1. A person commits the crime of forcible rape if such person has sexual intercourse with another person by the use of forcible compulsion. Forcible compulsion includes the use of a substance administered without a victim's knowledge or consent which renders the victim physically or mentally impaired so as to be incapable of making an informed consent to sexual intercourse.
2. Forcible rape or an attempt to commit forcible rape is a felony for which the authorized term of imprisonment is life imprisonment or a term of years not less than five years, unless:
(1) In the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual intercourse or deviate sexual intercourse with more than one person, in which case the authorized term of imprisonment is life imprisonment or a term of years not less than fifteen years;
(2) The victim is a child less than twelve years of age, in which case the required term of imprisonment is life imprisonment without eligibility for probation or parole until the defendant has served not less than thirty years of such sentence or unless the defendant has reached the age of seventy-five years and has served at least fifteen years of such sentence, unless such forcible rape is described under subdivision (3) of this subsection; or
(3) The victim is a child less than twelve years of age and such forcible rape was outrageously or wantonly vile, horrible or inhumane, in that it involved torture or depravity of mind, in which case the required term of imprisonment is life imprisonment without eligibility for probation, parole or conditional release.
3. Subsection 4 of section 558.019 shall not apply to the sentence of a person who has pleaded guilty to or has been found guilty of forcible rape when the victim is under the age of twelve, and "life imprisonment" shall mean imprisonment for the duration of a person's natural life for the purposes of this section.
4. No person found guilty of or pleading guilty to forcible rape or an attempt to commit forcible rape shall be granted a suspended imposition of sentence or suspended execution of sentence.
566.060. 1. A person commits the crime of forcible sodomy if such person has deviate sexual intercourse with another person by the use of forcible compulsion. Forcible compulsion includes the use of a substance administered without a victim's knowledge or consent which renders the victim physically or mentally impaired so as to be incapable of making an informed consent to sexual intercourse.
2. Forcible sodomy or an attempt to commit forcible sodomy is a felony for which the authorized term of imprisonment is life imprisonment or a term of years not less than five years, unless:
(1) In the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual intercourse or deviate sexual intercourse with more than one person, in which case the authorized term of imprisonment is life imprisonment or a term of years not less than ten years; or
(2) The victim is a child less than twelve years of age, in which case the required term of imprisonment is life imprisonment without eligibility for probation or parole until the defendant has served not less than thirty years of such sentence or unless the defendant has reached the age of seventy-five years and has served at least fifteen years of such sentence, unless such forcible sodomy is described under subdivision (3) of this subsection; or
(3) The victim is a child less than twelve years of age and such forcible sodomy was outrageously or wantonly vile, horrible or inhumane, in that it involved torture or depravity of mind, in which case the required term of imprisonment is life imprisonment without eligibility for probation, parole or conditional release.
3. Subsection 4 of section 558.019 shall not apply to the sentence of a person who has pleaded guilty to or has been found guilty of forcible sodomy when the victim is under the age of twelve, and "life imprisonment" shall mean imprisonment for the duration of a person's natural life for the purposes of this section.
4. No person found guilty of or pleading guilty to forcible sodomy or an attempt to commit forcible sodomy shall be granted a suspended imposition of sentence or suspended execution of sentence.
566.070. 1. A person commits the crime of deviate sexual assault if he has deviate sexual intercourse with another person knowing that he does so without that person's consent.
2. Deviate sexual assault is a class C felony.
From Wiki:
Missouri law defines "deviate sexual intercourse" as "any act involving the genitals of one person and the hand, mouth, tongue, or anus of another person or a sexual act involving the penetration, however slight, of the male or female sex organ or the anus by a finger, instrument or object done for the purpose of arousing or gratifying the sexual desire of any person."
568.080. 1. A person commits the crime of use of a child in a sexual performance if, knowing the character and content thereof, the person employs, authorizes, or induces a child less than seventeen years of age to engage in a sexual performance or, being a parent, legal guardian, or custodian of such child, consents to the participation by such child in such sexual performance.
566.100. 1. A person commits the crime of sexual abuse if he subjects another person to sexual contact by the use of forcible compulsion. 2. Sexual abuse is a class C felony unless in the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual contact with more than one person or the victim is less than fourteen years of age, in which case the crime is a class B felony.
566.030. 1. A person commits the crime of forcible rape if such person has sexual intercourse with another person by the use of forcible compulsion. Forcible compulsion includes the use of a substance administered without a victim's knowledge or consent which renders the victim physically or mentally impaired so as to be incapable of making an informed consent to sexual intercourse.
2. Forcible rape or an attempt to commit forcible rape is a felony for which the authorized term of imprisonment is life imprisonment or a term of years not less than five years, unless:
(1) In the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual intercourse or deviate sexual intercourse with more than one person, in which case the authorized term of imprisonment is life imprisonment or a term of years not less than fifteen years;
(2) The victim is a child less than twelve years of age, in which case the required term of imprisonment is life imprisonment without eligibility for probation or parole until the defendant has served not less than thirty years of such sentence or unless the defendant has reached the age of seventy-five years and has served at least fifteen years of such sentence, unless such forcible rape is described under subdivision (3) of this subsection; or
(3) The victim is a child less than twelve years of age and such forcible rape was outrageously or wantonly vile, horrible or inhumane, in that it involved torture or depravity of mind, in which case the required term of imprisonment is life imprisonment without eligibility for probation, parole or conditional release.
3. Subsection 4 of section 558.019 shall not apply to the sentence of a person who has pleaded guilty to or has been found guilty of forcible rape when the victim is under the age of twelve, and "life imprisonment" shall mean imprisonment for the duration of a person's natural life for the purposes of this section.
4. No person found guilty of or pleading guilty to forcible rape or an attempt to commit forcible rape shall be granted a suspended imposition of sentence or suspended execution of sentence.
566.060. 1. A person commits the crime of forcible sodomy if such person has deviate sexual intercourse with another person by the use of forcible compulsion. Forcible compulsion includes the use of a substance administered without a victim's knowledge or consent which renders the victim physically or mentally impaired so as to be incapable of making an informed consent to sexual intercourse.
2. Forcible sodomy or an attempt to commit forcible sodomy is a felony for which the authorized term of imprisonment is life imprisonment or a term of years not less than five years, unless:
(1) In the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual intercourse or deviate sexual intercourse with more than one person, in which case the authorized term of imprisonment is life imprisonment or a term of years not less than ten years; or
(2) The victim is a child less than twelve years of age, in which case the required term of imprisonment is life imprisonment without eligibility for probation or parole until the defendant has served not less than thirty years of such sentence or unless the defendant has reached the age of seventy-five years and has served at least fifteen years of such sentence, unless such forcible sodomy is described under subdivision (3) of this subsection; or
(3) The victim is a child less than twelve years of age and such forcible sodomy was outrageously or wantonly vile, horrible or inhumane, in that it involved torture or depravity of mind, in which case the required term of imprisonment is life imprisonment without eligibility for probation, parole or conditional release.
3. Subsection 4 of section 558.019 shall not apply to the sentence of a person who has pleaded guilty to or has been found guilty of forcible sodomy when the victim is under the age of twelve, and "life imprisonment" shall mean imprisonment for the duration of a person's natural life for the purposes of this section.
4. No person found guilty of or pleading guilty to forcible sodomy or an attempt to commit forcible sodomy shall be granted a suspended imposition of sentence or suspended execution of sentence.
566.070. 1. A person commits the crime of deviate sexual assault if he has deviate sexual intercourse with another person knowing that he does so without that person's consent.
2. Deviate sexual assault is a class C felony.
From Wiki:
Missouri law defines "deviate sexual intercourse" as "any act involving the genitals of one person and the hand, mouth, tongue, or anus of another person or a sexual act involving the penetration, however slight, of the male or female sex organ or the anus by a finger, instrument or object done for the purpose of arousing or gratifying the sexual desire of any person."
568.080. 1. A person commits the crime of use of a child in a sexual performance if, knowing the character and content thereof, the person employs, authorizes, or induces a child less than seventeen years of age to engage in a sexual performance or, being a parent, legal guardian, or custodian of such child, consents to the participation by such child in such sexual performance.
566.100. 1. A person commits the crime of sexual abuse if he subjects another person to sexual contact by the use of forcible compulsion. 2. Sexual abuse is a class C felony unless in the course thereof the actor inflicts serious physical injury or displays a deadly weapon or dangerous instrument in a threatening manner or subjects the victim to sexual contact with more than one person or the victim is less than fourteen years of age, in which case the crime is a class B felony.
