How does consent affect an Oklahoma non-forcible sodomy case under Section 886?

Consent can be central when the allegation involves private sexual conduct between adults. Oklahoma appellate decisions recognize constitutional limits on applying this law to private consensual adult activity, so the facts surrounding consent can directly affect the prosecution.

Crime Against Nature in Oklahoma: Law, Penalties, & Defenses

Name: Oklahoma Level 3 Sex Crimes
Author: Corey Brennan

Oklahoma’s crime against nature law can apply to certain sexual conduct involving another person and to bestiality involving an animal. A conviction can bring felony sentencing consequences and Level 1 sex-offender registration. The penalties can include prison, post-imprisonment supervision, and restrictions that continue after the criminal case ends.

This guide is for people accused of committing a crime against nature in Oklahoma who want to understand the charge, possible punishment, sex offender registration risk, and defense options before going to court.

This page reflects Oklahoma law effective January 1, 2026. It applies to conduct alleged to have occurred on or after that date. The law may be different for conduct alleged to have occurred earlier.

Does an Oklahoma charge for a crime against nature require force?

No. Force isn’t an element of this offense. In a human-conduct case, the State instead focuses on the required sexual act and penetration. The law also covers bestiality involving an animal. Private consensual adult sexual conduct can raise constitutional limits on prosecution.

Get the allegation and evidence reviewed early

The Urbanic Law Firm can review the alleged conduct, penetration evidence, consent issues, identification evidence, digital records, and how police obtained phones, videos, statements, or other evidence.

Fill out our secure online form so our attorneys can better understand your situation before we speak. You may also call us at 405-633-3420.

Why clients trust The Urbanic Law Firm with crime against nature charges

Sex-crime defense: Corey Brennan defends clients facing serious Oklahoma sex-crime allegations.

Published sex-crime author: Corey Brennan authored the book Oklahoma Level 3 Sex Crimes.

Trial credentials: Order of Barristers member and CALI Award recipient in Trial Practice.

What is a crime against nature in Oklahoma?

Oklahoma’s 21 O.S. § 886 covers a crime against nature committed with another person or with an animal. Bestiality falls within the animal portion of the law.

A charging document can contain multiple counts of crimes against nature when prosecutors allege separate criminal acts. Each count still has to be supported by evidence establishing the conduct charged in that count.

For a human-conduct prosecution involving oral sexual activity, penetration is a required part of the offense. The applicable jury instruction 4-128 uses the first three elements for a prosecution under this statute: penetration, what was penetrated, and what caused the penetration. It doesn’t add the separate force-based element used for forcible sodomy.

Under 21 O.S. § 887, any sexual penetration, however slight, is sufficient to complete the offense. A bestiality allegation presents a different factual theory, so it shouldn’t be analyzed as though it were a human oral-sodomy case.

Private consensual adult sexual conduct raises constitutional limits on applying the law. So consent, privacy, the location of the alleged conduct, and the nature of the alleged act can matter significantly in a human-conduct case.

Depending on the allegations, prosecutors may also file animal cruelty charges in a bestiality case or a separate forcible sodomy count when distinct human conduct supports that charge.

An Oklahoma crime against nature defense attorney at The Urbanic Law Firm looks at whether the evidence actually satisfies the law rather than relying on the label placed on the accusation.

What conduct qualifies as a crime against nature?

Oklahoma law doesn’t define “crime against nature” in a single sentence. Its meaning comes from 21 O.S. § 886, 21 O.S. § 887, the applicable jury instructions, and Oklahoma appellate decisions interpreting those laws. For human conduct, Oklahoma courts have applied the offense to oral sexual acts involving penetration, including fellatio and cunnilingus. The law also applies to bestiality involving an animal. Any required sexual penetration can be slight.

The statute doesn’t make every act falling within that description criminal in every circumstance. Oklahoma appellate decisions recognize constitutional limits on prosecution for private consensual sexual activity between adults, making consent and the circumstances of the alleged conduct important in a human-conduct case.

Key elements the State must prove

Human-conduct theory:
- Penetration: The State must prove penetration.
- What was penetrated: The penetration must involve the mouth or vagina of the defendant or alleged victim.
- What caused the penetration: The penetration must be by the mouth or penis of the defendant or alleged victim.
- No additional force element: For a prosecution under this law, jury instruction 4-128 doesn’t add its separate fourth element.
Bestiality: The State must prove that the accused committed conduct involving an animal that falls within Oklahoma’s crime against nature law.

Penalties for a crime against nature conviction

A conviction is a Class B4 felony under 21 O.S. § 20I(A)(10).

Prison: Up to 10 years.
Fine: Up to $10,000 under 21 O.S. § 64.
Post-imprisonment supervision: If the prison sentence is two years or longer, mandatory post-imprisonment supervision applies under 22 O.S. § 991a(A)(1)(f).
Prior convictions: Qualifying prior felonies can affect sentencing under Oklahoma’s sentence-enhancement rules and 21 O.S. § 51.1.

A qualifying prior conviction can increase the felony penalty, so the State’s enhancement allegations should be checked separately from the underlying charge.

Sex offender registration risk

The Oklahoma Department of Corrections level-assignment chart places this offense at Level 1. Level 1 requires 15 years of registration with annual address verification.

Registration is separate from the court’s punishment. The Department of Corrections registration policy contains additional registration requirements, while the Oklahoma Attorney General’s sex-offender registry resource provides statewide registry information.

A conviction for a crime against nature falls within Oklahoma’s broader sex-crime framework. The firm’s Level 1 sex-crime page explains that registration category in more detail.

Collateral consequences of a conviction

The consequences can continue long after the criminal case and any incarceration end.

Public registry information: Required registration can make identifying information available through Oklahoma’s sex-offender registry.
Ongoing reporting duties: A registrant must comply with address verification and other required updates during the registration period.
Supervision conditions: Sex-offender-specific supervision can affect treatment requirements, reporting, travel, internet use, and other day-to-day activities depending on the sentence.
Felony-record restrictions: A felony conviction can affect firearm rights and create additional problems during background checks.
Work, housing, licensing, and family consequences: A felony sex-offense conviction can create serious practical problems even after court supervision ends.

An Oklahoma crime against nature defense lawyer should consider these consequences while the criminal case is still pending, not only after sentencing.

How prosecutors prove a crime against nature

The evidence can look very different in a human-conduct case and a bestiality case. Prosecutors may rely on witness testimony, digital evidence, physical evidence, statements, or a combination of those sources.

Witness testimony: A human-conduct case may depend heavily on the other participant’s account and statements made to police or third parties.
Videos and photographs: A bestiality case may rely heavily on recordings that prosecutors allege show sexual conduct involving an animal.
Digital evidence: Messages, social-media accounts, uploads, metadata, cloud records, searches, and device extractions may be used to establish identity or context.
Identification evidence: Prosecutors may use physical characteristics, tattoos, clothing, locations, accounts, or items recovered during a search to connect someone to digital evidence.
Statements: Police interviews, recorded calls, messages, and statements to other people can become important parts of the State’s case.

Practical guide if you’re charged with this crime

What we look for first in a crime against nature case

An Oklahoma sex crime defense attorney at The Urbanic Law Firm starts with the exact alleged act, the proof of penetration when required, identity, consent when legally relevant, and the source of any digital evidence. In a bestiality case, we also examine who created or possessed the recording, who controlled the device or account, and what evidence actually identifies the person depicted.

Defenses

No required penetration: The evidence doesn’t establish the penetration required for the charged human-conduct theory.
Protected private adult conduct: The alleged conduct was private and consensual between adults and falls within constitutional protections for private consensual sexual activity.
Identity isn’t established: The evidence doesn’t reliably establish that the accused was the person depicted, described, or involved.
No qualifying animal conduct: In a bestiality case, the evidence doesn’t establish that the accused committed the alleged sexual conduct involving an animal.
Key evidence should be suppressed: Police obtained statements, devices, recordings, or other evidence through an unconstitutional search, seizure, or interrogation.

How we fight these charges

Reconstruct the timeline from messages, account records, videos, device data, witnesses, and search-warrant records.
Test identification evidence by comparing what the recording actually shows with the evidence police used to identify the accused.
Review digital extractions and metadata to determine when files were created, uploaded, transferred, accessed, or altered.
Challenge unlawful searches, seizures, interrogations, and overbroad digital warrants when constitutional violations affect important evidence.
Develop consent and constitutional issues when the allegation involves private sexual conduct between adults.

What The Urbanic Law Firm does to help clients charged with this crime

Explain the charge, registration consequences, court process, and immediate decisions in understandable terms.
Preserve favorable messages, recordings, account information, witness details, and other evidence before it’s lost.
Organize discovery so reports, digital evidence, warrants, interviews, and court deadlines can be reviewed efficiently.
Prepare motions, hearings, cross-examination, experts, and trial issues around the evidence the State can actually use.
Keep you informed about upcoming settings, evidence developments, defense decisions, and practical consequences.

Questions to ask you attorney

What evidence does the State claim proves the conduct required for my charge?
Does the prosecution have reliable evidence identifying me as the person involved?
How does consent affect the law if my allegation involves another adult?
Can the search warrant, device extraction, interrogation, or other evidence be challenged?
What registration and supervision requirements could apply if there’s a conviction?

Things you can do if you’re arrested for this crime

Don’t discuss the allegations with investigators before your defense team has reviewed the situation.
Preserve phones, messages, videos, account information, photographs, and location data without deleting or altering anything.
Keep charging papers, search warrants, property receipts, bond documents, and court notices together.
Avoid contacting an accuser, witnesses, or anyone asking you to explain the allegations.
Write a private timeline for your defense team while dates, locations, communications, and device use are still fresh.

What happens next

A felony prosecution can move through several important stages before trial. After filing and arraignment, the case may involve discovery, a preliminary hearing, motion practice, and trial preparation.

An Oklahoma sex crime defense lawyer should also track the registration consequences while evaluating the criminal case. Possible punishments depend on the eventual conviction, sentencing law, and any qualifying prior convictions.

For a more detailed explanation of those stages, the firm’s Oklahoma criminal process guide explains how an Oklahoma state criminal case generally moves from filing through resolution.

A crime against nature compared with related Oklahoma sex crimes

Similar sexual-conduct allegations can fall under very different Oklahoma laws. Other Level 1 allegations involving public sexual conduct are collected on the firm’s public sex and indecency offenses page.

Offense	Core conduct	Force / setting	Classification	Common defense issue
Crime against nature	Covered human sexual penetration or bestiality involving an animal	Force isn’t an element; private consensual adult conduct raises constitutional issues	Felony with Level 1 registration	Penetration, consent, identity, constitutional scope, suppression
Forcible sodomy	Covered sexual penetration plus a circumstance required by the separate forcible-sodomy law	May involve force, threats, age, incapacity, unconsciousness, intoxication, custody, or certain school relationships	Separate felony sex offense with Level 3 registration	Penetration and whether the required statutory circumstance exists
Indecent exposure	Lewd exposure of private parts under a separate law	Focuses on exposure rather than penetration	Separate Level 1 sex offense	Exposure, mental state, identification, and surrounding circumstances

FAQs about Oklahoma crime against nature charges

Does an Oklahoma conviction under the crime against nature law require sex offender registration?

Yes. The offense is assigned Level 1 registration. That means 15 years of registration with annual address verification.

How much penetration is required for an Oklahoma non-forcible sodomy prosecution?

For the human-conduct theory, any sexual penetration, however slight, can be sufficient. However, the State still has to prove the required penetration rather than only sexual contact or attempted conduct.

Can bestiality be charged as a crime against nature in Oklahoma?

Yes. Oklahoma’s crime against nature law covers sexual conduct involving an animal. Separate alleged incidents can result in multiple crimes against nature counts.

Can a conviction under Oklahoma’s crime against nature statute be expunged?

Possibly. Eligibility depends on the disposition, criminal history, timing, and other requirements in Oklahoma expungement law. Also, sealing a criminal record shouldn’t be assumed to eliminate a separate sex-offender-registration obligation. The firm’s Oklahoma expungement guide explains the record-sealing framework.

Important cases

Hinkle v. State, 1989 OK CR 4, 771 P.2d 232 held that force isn’t an element of the offense. The court reversed the oral-sodomy conviction because conflicting evidence of consent made it error to tell the jury that consent wasn’t a defense.

Garcia v. State, 1995 OK CR 58, 904 P.2d 144 held that the offense couldn’t be used as a lesser included offense of forcible sodomy under the circumstances presented there. The jury rejected the force allegation in an adult heterosexual case in which the defense was consent.

This crime in the news

On March 4, 2025, KOKH FOX 25 reported that Christina Stokes had been arrested after Edmond police investigated videos that officers alleged showed sexual activity involving her dog. Investigators identified Stokes partly through a tattoo, obtained a residential search warrant, and found items they said matched objects shown in the videos. KOKH reported that she was booked into the Oklahoma County Jail on allegations that included crimes against nature. The case involved alleged bestiality under Oklahoma’s crime against nature law.

About the Author: Attorney Corey Brennan

Oklahoma criminal defense attorney Corey Brennan

Criminal defense practice: Focuses exclusively on criminal defense, representing clients in misdemeanor and felony cases throughout Oklahoma.
Trial advocacy honors: National member of the Order of Barristers and recipient of the CALI Award for top honors in Trial Practice.
Trial experience: Has successfully represented clients in major felony jury trials and a wide range of serious Oklahoma criminal cases.

Corey’s Recent Posts

This page is for informational purposes only and is not legal advice. Every case is unique; consult an attorney about your specific situation. Law last reviewed on September 29, 2026 by attorney Corey Brennan. Page last updated September 29, 2026. Review the statutes cited on this page for the most current version of the law.