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Chapter 566 RSMo – Missouri Sexual Offense Laws & Definitions

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Posted by Christopher Combs on July 21, 2025

2023 Missouri Revised Statutes Title XXXVIII – Crimes and Punishment; Peace Officers and Public Defenders Chapter 566 – Sexual Offense

Missouri Chapter 566: Sexual Offenses

Chapter 566 of the Missouri Revised Statutes defines sexual offenses ranging from rape and child molestation to sexual misconduct, abuse of authority, and sex offender restrictions. These crimes carry some of the harshest penalties in Missouri—including mandatory prison time, sex offender registration, and lifelong restrictions. Whether you’re researching charges or defending your future, it’s crucial to understand what these laws mean and how they apply.

What Chapter 566 Covers

Click any link below for a simplified explanation of each statute, including what the law says, what the prosecution must prove, and what penalties may apply.

Chapter 566 Statutes Explained

Charged With a Sex Crime in Missouri?

Sex offenses are some of the most aggressively prosecuted and publicly stigmatized crimes in Missouri. If you’re under investigation or already facing charges, the consequences can last a lifetime. Combs Waterkotte defends clients against all types of sex crime allegations, including statutory charges, internet crimes, and Title IX-related claims. Contact us online today or (314) 900-HELP to schedule a confidential consultation an experienced Missouri criminal defense lawyer.

566.010. Chapter 566 and chapter 568 definitions.

Defines key terms used in Missouri sex crime laws.

This section explains what certain words mean in sex crime cases under chapters 566 and 568 of Missouri law.

1. “Aggravated sexual offense” means a sexual crime where the offender:

  • Causes serious physical injury,
  • Threatens with a weapon,
  • Includes multiple people in the act,
  • Has prior convictions for sex crimes,
  • Acts as part of an organized plan, or
  • Commits the act with certain close relatives (like children, siblings, or parents).

2. “Commercial sex act” means a sex act in exchange for something of value.

3. “Deviate sexual intercourse” means acts involving the genitals and mouth, hand, anus, or objects, done to sexually arouse or to harm the victim.

4. “Forced labor” means making someone work by:

  • Scaring them into it (with threats of harm or restraint), or
  • Misusing the legal system to force them.

5. “Sexual conduct” means sexual intercourse, deviate sexual intercourse, or sexual contact.

6. “Sexual contact” means touching another person’s private parts (directly or through clothing), or causing bodily fluids to contact them, to arouse, gratify, or terrorize.

7. “Sexual intercourse” means any penetration of the vagina by a penis, no matter how slight.

View the full statute here

Contact us online or call (314) 900-HELP to talk with a Missouri criminal defense lawyer.

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