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Sex Offenses and Registration in Colorado

There are several categories of sex offenses in Colorado law. Some offenses are subject to lifetime supervision sentencing provisions for sex offenders, and some are not. The following offenses require registration as a sex offender.

Sex Offenses that Require Registration

Sexual Assault

  • Sexual intrusion or sexual penetration of a victim who is at least 15 years old but less than 17 years old and the perpetrator is at least 10 years older than and is not the spouse of the victim (Section 18-3-402 (1)(e), C.R.S.)
  • Sexual intrusion or sexual penetration by a perpetrator who purports to offer medical services while engaging in treatment or examination of a victim for other than a bona fide medical purpose or in a manner substantially inconsistent with reasonable medical practices (Section 18-3-402 (1)(g), C.R.S.)
  • Sexual intrusion or sexual penetration of a victim who is in custody of law enforcement or detained in a hospital or other institution and the perpetrator has supervisory or disciplinary authority over the victim, which he or she uses to coerce the victim to submit (Section 18-3-402 (1)(f), C.R.S.)
  • Sexual intrusion or sexual penetration of a victim who is less than 15 years of age and the perpetrator is four years older than and is not the spouse of the victim
    (Section 18-3-402 (1)(d), C.R.S.)
  • Sexual intrusion or sexual penetration by a perpetrator who knows that the victim is incapable of appraising the victim’s conduct (Section 18-3-402 (1)(b), C.R.S)
  • Sexual intrusion or sexual penetration by a perpetrator who causes submission of the victim by means of significant consequence reasonably calculated to cause submission against the victim’s will (Section 18-3-402 (1)(a), C.R.S.)
  • Sexual intrusion or sexual penetration by a perpetrator who causes submission of the victim by substantially impairing the victim’s power to appraise or control the victim’s conduct by use of any drug, intoxicant, or other means (Section 18-3-402 (4)(d), C.R.S.)
  • Sexual intrusion or sexual penetration by a perpetrator who causes submission of the victim by threatening future retaliation against the victim or another person, and the victim reasonably believes that the perpetrator will execute this threat (Section 18-3-402 (4)(c), C.R.S.)
  • Sexual intrusion or sexual penetration by a perpetrator who causes submission of the victim by threat of imminent death, serious bodily injury, extreme pain, or kidnaping when the victim believes the perpetrator can execute the threats (Section 18-3-402 (4)(b), C.R.S.)
  • Non-consensual sexual intrusion or sexual penetration by a perpetrator who causes submission of the victim through physical force or violence (Section 18-3-402 (4)(a), C.R.S.)
  • Non-consensual sexual intrusion or sexual penetration of a victim who is physically helpless, and the perpetrator knows that the victim is physically helpless and has not consented (Section 18-3-402 (1)(h), C.R.S.)
  • Non-consensual sexual intrusion or sexual penetration of a victim by an actor who uses a deadly weapon, or an article fashioned in a manner to cause the victim to believe that the article is a deadly weapon, or represents verbally that the actor is armed with a deadly weapon, and uses the weapon, article, or representation to cause the victim to submit (Section 18-3-402 (5)(a)(III), C.R.S.)
  • Non-consensual sexual intrusion or sexual penetration of a victim who suffers bodily injury during the assault (Section 18-3-402 (5)(a)(II), C.R.S.)
  • Non-consensual sexual intrusion or sexual penetration of a victim by an actor, who is aided by one or more individuals (Section 18-3-402 (5)(a)(I), C.R.S.)

Invasion of Privacy for Sexual Gratification

  • Observing or taking a photograph (meaning any mechanically, electronically, or chemically reproduced visual material) of another person’s intimate parts without that person’s consent, in a situation where the observed person has a reasonable expectation of privacy, for the purpose of the observer’s own sexual gratification (Section 18-3-405.6 (1), C.R.S.)
  • Observing or taking a photograph (meaning any mechanically, electronically, or chemically reproduced visual material) of another person’s intimate parts without that person’s consent, in a situation where the observed person has a reasonable expectation of privacy, for the purpose of the observer’s own sexual gratification when the observer has a prior conviction for unlawful sexual behavior or the observer takes a picture or observes the of the intimate parts of a person under the age of 15 (Section 18-3-405.6 (2)(b), C.R.S.)

Incest

  • Knowingly marrying, inflicting sexual penetration or sexual intrusion on, or subjecting to sexual contact an ancestor or descendant, including a natural child, child by adoption, or stepchild 21 years of age or older, a brother or sister of the whole or half blood, or an uncle, aunt, nephew, or niece of the whole blood where “descendant” includes a child by adoption and a stepchild, but only if the person is not legally married to the child by adoption or the stepchild
    (Section 18-6-301, C.R.S.)
  • Marriage to an actor’s natural child (Section 18-6-302 (2), C.R.S.)
  • Infliction of sexual penetration or sexual intrusion on, on inflicting sexual contact on a natural child, stepchild, or child by adoption, where the “child” is defined as a person under the age of 21 (this section does not apply in cases of a legal marriage to a child by adoption or stepchild)
    (Section 18-6-302 (2), C.R.S.)
  • Marrying, inflicting sexual penetration or sexual intrusion on, or subjecting to sexual contact a descendant, a brother or sister of the whole or half blood, or an uncle, aunt, nephew, or niece of the whole blood who is under ten years of age
    (Section 18-6-302 (2), C.R.S.)

Sexual Conduct in a Penal Institution

  • Sexual intrusion or penetration between an employee or contract employee of a correctional institution, or an individual who performs work functions in a correctional institution or for the Department of Corrections, the Department of Human Services, or a community corrections program, and a person who is in lawful custody in a criminal justice facility (Section 18-7-701 (3), C.R.S.)

Indecent Exposure

  • Knowingly exposing one’s genitals to the view of any person under circumstances in which such conduct is likely to cause affront or alarm to the other person; knowingly performing an act of masturbation in a manner which exposes the act to the view of any person under circumstances in which such conduct is likely to cause affront or alarm to the other person (Section 18-7-302 (1), C.R.S.)
  • Third or subsequent incident of knowingly exposing one’s genitals to the view of any person under circumstances in which such conduct is likely to cause affront or alarm to the other person (Section 18-7-302 (4), C.R.S.)

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