Drug Charges in Casper: What You Are Up Against
Natrona County has one of the highest numbers of criminal cases in Wyoming. Misdemeanors are tried in circuit court and felonies are transferred to the Natrona County District Court, located at 200 N. Center Street. The 7th Judicial District is responsible for handling these cases. Casper police, county deputies, the Division of Criminal Investigation and the Drug Enforcement Agency all work on drug cases here.
Three factors determine your exposure: the substance, its weight, and whether the state believes you intended to sell it.
Wyoming Drug Schedules Determine the Charge
Wyoming sorts controlled substances into five schedules under the Wyoming Controlled Substances Act, Wyo. Stat. § 35-7-1001 et seq. The ceiling for the quantity of a substance is set before it is even discussed, depending on where your substance falls.
- Schedule I (§ 35-7-1014): Heroin, LSD, MDMA, Psilocybin, and Marijuana.
- Schedule II (§ 35-7-1016): Methamphetamine, Cocaine, Fentanyl, Oxycodone, Morphine. Most Casper felony drug cases involve drugs on this list.
- Schedules III through V (§§ 35-7-1018 through 35-7-1022): Ketamine, Xanax, Codeine cough preparations. Prescription pills are counted here when they are not your own.
Marijuana is still illegal here, with no medical or recreational use. A product legally bought in Fort Collins becomes illegal the moment it crosses the state line. The prosecutors hear this explanation several times a week and it is not an excuse.
Possession, Distribution, and Trafficking Carry Very Different Penalties
Wyo. Stat. § 35-7-1031 sets the ranges, and most Casper cases fall somewhere within this table.
| Offense | Drug type | Class | Max prison | Max fine |
| Distribution / delivery | Meth or Sched. I/II narcotic | Felony | 20 years | $25,000 |
| Distribution / delivery | Other Sched. I, II, or III | Felony | 10 years | $10,000 |
| Distribution / delivery | Schedule IV | Felony | 2 years | $2,500 |
| Possession above threshold | Sched. I/II narcotic | Felony | 7 years | $15,000 |
| Possession above threshold | Other Sched. I, II, or III | Felony | 5 years | $10,000 |
| Possession at or below threshold | Sched. I–IV, 1st or 2nd offense | Misdemeanor | 1 year | $1,000 |
| Possession at or below threshold | Sched. I–IV, 3rd or later offense | Felony | 5 years | $5,000 |
| Marijuana possession | Less than 3 oz. | Misdemeanor | 1 year | $1,000 |
| Marijuana possession | 3 oz. or more | Felony | 5 years | $10,000 |
| Under the influence | Sched. I, II, or III | Misdemeanor | 6 months | $750 |
Note the third possession row. A third conviction is a felony, even when the amount is trivial. Convictions from other states also count toward that total.
Distribution is where the penalties become severe, as selling meth or a Schedule I or II drug can lead to a sentence of up to twenty years in prison. You don’t have to be caught in the act of selling. Prosecutors will argue about intent based on weight, packaging, scales, cash, and text messages, and this is usually the main focus in a Casper felony case.
I-25 Stops Near Casper: What Happens After the Lights Come On
I-25 carries traffic from the southwest border north through Casper towards I-90, and law enforcement treats the corridor accordingly. Troopers, deputy sheriffs, and federal task force officers all work to prevent illegal activity on that stretch of road. Summer is the busiest time of year.
A stop for following too closely can become a K-9 walk within minutes, and the Fourth Amendment limits how far that can go. In Rodriguez v. United States, the Supreme Court held that police may not extend a stop beyond the time reasonably needed to handle the violation, unless new reasonable suspicion develops. After that, a sniff is unlawful and what the dog finds can be suppressed.
So, the first questions in a traffic case are rarely about drugs. When did the stop start, when was the warning issued, and how long did the driver wait for the police? Camera timestamps provide better answers than memory.
First Offense? Natrona County Has Options, and They Expire
Wyoming gives some first-time defendants a path that ends without a conviction. Each one has a gate, and the gate closes.
- First offender drug probation (§ 35-7-1037). The court defers the proceedings without entering a judgment and dismisses the case if the defendant completes probation. This is a one-time offer.
- Deferred prosecution (§ 7-13-301). Probation for up to three years with dismissal upon completion, with no conviction on the record. Also a one-time opportunity.
- Natrona County drug court (§ 7-13-1601). Intensive supervision, frequent testing, and treatment in place of incarceration. A demanding program, but worth it for the right clients. The district attorney’s office determines who qualifies.
These options are one-time only, and eligibility can be easily lost. Pleading at arraignment, talking to investigators, or picking up a new charge while the first case is pending could close the door permanently.
What Varies From Case to Case in Natrona County
- Schedule classification, which may change depending on the form of the substance
- Weight in relation to the legal threshold
- Previous record, including convictions from other jurisdictions
- Enhancements for distribution to minors or within school zones (§ 35-7-1036)
- If federal charges are also filed alongside the state case
- Whether a stop and search survives a motion to suppress, usually the most significant variable of all
Cases involving clients under eighteen years old follow a different path through juvenile court. Cases that begin as a traffic stop often include a drugged driving charge.
Why Just Criminal Law for Your Casper Drug Defense
Christina Williams spent years on the other side of the table, and this shows up in practical ways. What files a prosecutor considers to be thin. What lab problems will actually move negotiations. When a diversion request has a real chance.
The defense usually starts with a stop and search. Was there a legal basis for it? Was consent given voluntarily, and did the search remain within its scope? Then comes substance: what was actually tested in the lab, how the weight was calculated, and whether packaging was included in the calculation. In a three-gram state, a fraction of a gram can make the difference.
Federal exposure is separate mathematics. The DEA operates a Casper Post of Duty, and larger multi-state cases can be prosecuted by the federal government, where mandatory minimum sentences replace state sentences.
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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 drug crime in Casper? Time is critical.
The sooner you have an attorney, the more options you have.
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Frequently Asked Questions About Drug Charges in Casper
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