Natrona County prosecutes a heavy felony docket, and a conviction here can mean more than a year in a state correctional facility, often much more depending on the charge. Wyoming doesn’t use felony classes, so there’s no standard sentence to point to. The penalty is written into the specific statute the Natrona County District Attorney charges, which makes the exact wording of your case the thing that matters most. Just Criminal Law defends people facing felonies in Casper and across Natrona County. Christina L. Williams, our founding attorney, prosecuted criminal cases for the State before she built a practice defending against it.
How Wyoming Sets Felony Penalties (No Class System)
A felony in Wyoming is any crime that can put you in a state correctional facility for more than one year. A year or less is a misdemeanor (W.S. 6-10-101). Beyond that line, Wyoming does something most states don’t: it sets the penalty for each crime individually rather than grouping crimes into classes.
That has a practical effect on your case. There’s no Class B felony shorthand to tell you what’s coming. Instead, the number comes from the statute itself. A few examples of how wide the range runs:
- Aggravated assault and battery (W.S. 6-2-502): up to 10 years
- Theft of property worth $1,000 or more: up to 10 years and a $10,000 fine
- First-degree sexual assault: 5 to 50 years
- Burglary: up to 10 years, with aggravated burglary reaching 25 years and a $50,000 fine
Where the statute doesn’t name a fine, the court can still impose up to $10,000 under W.S. 6-10-102. And Wyoming’s habitual criminal law (W.S. 6-10-201) can push a third felony conviction to 10 years or even life. The takeaway is simple. Your exposure depends on the precise charge, which is the first thing we pin down.
Felony Cases in the Seventh Judicial District
Casper felony cases run through the Seventh Judicial District Court, with the early stages handled in Natrona County Circuit Court. After an arrest, you’ll have an initial appearance and a bond hearing, followed by a preliminary hearing where the State has to establish probable cause. If the judge finds it, the case is bound over to the Seventh Judicial District Court for arraignment and everything that follows.
One local pattern worth knowing: Casper, like Cheyenne, has been routing more lower-level cases through municipal court, which changes where a case is heard and what’s at stake procedurally. Felony charges, though, stay in district court. The preliminary hearing is your first real checkpoint, the moment a judge decides whether the State’s evidence clears the bar to keep going. We treat it as a chance to test the case, not a formality to sit through.
The First Weeks Decide a Lot
Wyoming has no statute of limitations, so the State can take its time. The defense usually can’t afford to. Surveillance video gets recorded over, witnesses scatter, and memories blur. Bond conditions can also pile up quickly: no-contact orders, travel limits, check-ins. Getting ahead of all of it early is the difference between shaping a case and reacting to it.
A Prosecutor’s Eye on the State’s File
Christina Williams spent years deciding what to charge and how to prove it, and that experience is the core of how we defend felony cases. We read the State’s file looking for the weak seam: probable cause that’s thinner than it looks, an unlawful search, a witness whose story won’t survive cross-examination, or a charge stacked higher than the facts support to create plea leverage.
We’re honest about what that buys you. Not every felony ends in dismissal. But making the State actually prove its case, and refusing to let a client sign a bad plea out of fear, changes outcomes more often than people assume.
Why Clients in Casper Choose Just Criminal Law
- Former prosecutor perspective: Christina L. Williams charged and tried cases for the State.
- Natrona County experience: We know how felony cases move through the Seventh Judicial District.
- 25+ years, 10,000+ cases: Our team has handled more than 10,000 criminal matters since 2009 across Wyoming and South Dakota.
- No false promises: We tell you what the evidence supports, and we fight for it.
Frequently Asked Questions About Felony Charges in Casper
What is the difference between a felony and a misdemeanor in Wyoming?
It comes down to potential prison time. A felony can send you to a state correctional facility for more than one year, while a misdemeanor carries up to a year in county jail (W.S. 6-10-101). Wyoming has no felony class system, so the maximum penalty depends on the specific statute charged.
What are the penalties for a felony in Wyoming?
They vary by crime because Wyoming sets them individually. Aggravated assault and battery carries up to 10 years; theft of $1,000 or more, up to 10 years and a $10,000 fine; first-degree sexual assault, 5 to 50 years. A third felony conviction can carry 10 years to life under the habitual criminal statute.
Can a felony be expunged in Wyoming?
In some cases. You can petition for expungement 10 years after completing your sentence, including restitution, provided you have no other felony convictions. Felonies involving a firearm and many violent felonies are excluded, and you have to file and qualify; nothing is sealed automatically.
Will my Casper felony case go to trial?
Not necessarily. Many felony cases resolve through negotiation, dismissal of overfiled counts, or reduced charges, and only some reach a jury. Which path fits your case depends on the strength of the State’s evidence, so the honest answer is that we prepare every case as if it could go to trial and negotiate from that position of readiness.
Facing a felony charge in Casper or Natrona County? Call Just Criminal Law at (307) 300-2240 for a confidential review with a former prosecutor who knows the Seventh Judicial District.
Related Charges We Also Defend

Why Clients in Wyoming and South Dakota Choose Just Criminal Law
Our attorneys spent years working for the state before switching sides. We know exactly how prosecutors build cases and exactly where to find the holes.
We do not split our focus between practice areas. Every attorney, every resource, every minute is focused on one thing: your criminal defense.
We know the courts, the judges, and the prosecutors across Wyoming and western South Dakota. Local familiarity shapes strategy and strategy shapes outcomes.
Servicios de traduccion en espanol disponibles. Every client fully understands their case, their options, and their rights.
Real Results for Wyoming & South Dakota Clients
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OtherSuppression Appeal — Wyoming Supreme CourtDistrict Court denied motion to suppress. Wyoming Supreme Court accepted certiorari on appeal.
Barney v. State of Wyoming — Wyoming Supreme Court
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CASE DISMISSEDReckless Endangering / Domestic Battery / Child Endangering — WyomingClient charged with reckless endangering, domestic battery, and child endangering. All charges dismissed.
State v. Quezada-Lopez — Wyoming Circuit Court
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CASE DISMISSEDDUI / DWUI — WyomingClient charged with DUI. State unable to lay foundation for the breath test. Case dismissed.
State v. Von Olnhausen — Wyoming Circuit Court
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CASE DISMISSEDFelony Child Abuse — WyomingClient charged with accessory after the fact and aggravated child abuse — a felony. State unable to meet its burden of proof at preliminary hearing. Felony count dismissed.
State v. Bullinger — Wyoming District Court

Charged with a felony in Casper? Time is critical.
The sooner you have an attorney, the more options you have.
What Clients Say About Just Criminal Law
Frequently Asked Questions About Felony Charges in Wyoming
Wyoming Criminal Defense — Communities We Serve
We are based in Gillette, Wyoming, and serve clients across the state and into western South Dakota. Our team knows the local courts, prosecutors, and judges in every community we serve — and that local knowledge makes a real difference in criminal defense.

- Deadwood
- Sturgis (Rally)
- Custer County
- Lawrence County
- Meade County
- Pennington County
We provide on-call criminal defense for Rally-related arrests including DUI, drug charges, weapons offenses, and assault. Call us 24/7 during Rally week.

