Activity in the U.S. Attorney's Office

Drug Trafficking

Ashley Nicole Haberman, 40, of Cheyenne, Wyoming, was sentenced to a total of 144 months’ imprisonment, followed by five years of supervised release for conspiracy to distribute fentanyl and distribution of fentanyl. According to court documents, beginning in September of 2024, detectives with the Cheyenne Police Department Community Action Team began an investigation into the distribution of fentanyl in the Cheyenne area. Through surveillance and interviews, they were able to track Haberman and her boyfriend at the time, Brady Ehlers’, movements to Colorado where they purchased fentanyl and brought it back to Laramie County to distribute. The investigation revealed that Haberman and other coconspirators were redistributing the fentanyl for several months and that one redistributor sold the fentanyl to another person who overdosed. Detectives also issued search warrants, resulting in the seizure of fentanyl and drug paraphernalia from Ehler’s vehicle and their shared hotel room. The Drug Enforcement Administration and the Cheyenne Police Department investigated the crime. Assistance U.S. Attorney Mackenzie Morrison prosecuted the case. U.S. District Judge Scott W. Skadahl imposed the sentence in Casper on June 5, 2025. Case No. 25-CR-00033.

Drug Trafficking & Firearms

Donald Cameron Jackson, 33, of Casper, Wyoming, was sentenced to 155 months followed by five years of supervised release for conspiracy to distribute methamphetamine, fentanyl, and cocaine, and for possession of a firearm in furtherance of a drug trafficking crime. According to court filings, in September 2024, Jackson was identified as a source of supply for fentanyl in Natrona County. In September and October 2024, Special Agents with the Wyoming Division of Criminal Investigation (DCI) conducted three controlled purchases of fentanyl from Jackson. A subsequent search warrant was executed at his residence, resulting in the seizure of approximately 218 grams of fentanyl, 11.8 grams of cocaine, and a semi-automatic handgun with a high-capacity drum magazine. Jackson admitted that within the last six months he had obtained and redistributed a half ounce of cocaine and 500 fentanyl pills per week. He also stated that he is prohibited from possessing firearms and he received a firearm as collateral, in exchange for $200 worth of cocaine. DCI investigated the crime. Assistant U.S. Attorney Makenzie Morrison prosecuted the case. A complaint was filed on Dec. 3, 2024, and Jackson waived indictment, pleading guilty to an Information on March 14. U.S. District Court Judge Alan B. Johnson imposed the sentence in Cheyenne on June 3. Case No. 25-00031

Tristan Brynn Larsen, 40, of Hudson, Wyoming, was sentenced to 120 months with five years of supervised release to follow for possession with intent to distribute fentanyl and fentanyl analogue (Carfentanil) and for possession of firearms in furtherance of a drug trafficking crime. According to court records, in September 2024, while investigating drug distribution activity on the Wind River Indian Reservation, the Rocky Mountain Safe Trails Task Force (RMSTTF) identified Larsen as a local source of supply for drugs. During the investigation, law enforcement purchased fentanyl from Larsen and obtained a search warrant for her vehicle and residence. On Oct. 4, 2024, Larsen was identified and stopped by law enforcement at which time she admitted to having fentanyl on her person. Firearms were also located in her vehicle. Larsen later admitted to purchasing large quantities of fentanyl tablets and fentanyl powder in Denver and redistributing them in Fremont County. The RMSTTF is a joint undertaking of the FBI, the Wyoming Division of Criminal Investigation (DCI), and local law enforcement agencies. RMSTTF is tasked with identifying and disrupting the distribution of controlled substances in and around the Wind River Indian Reservation. Assistant U.S. Attorney Timothy W. Gist prosecuted the case. A complaint was filed on Nov. 1, 2024, and Larsen waived indictment, pleading guilty to an Information on March 14. U.S. District Court Judge Alan B. Johnson imposed the sentence in Cheyenne on June 2. Case No. 25-00036

Illegal Re-Entry of a Previously Deported Alien

Marco Mejia-Montiel, 36, of Hueyotlipan, Tlaxcala, Mexico, was sentenced to time served and will be deported for illegal reentry into the United States. According to court documents, on Sept. 16, 2024, Mejia-Montiel was arrested by the Jackson Police Department for the violation of a protection order, a probation violation and contempt of court. Immigration and Customs Enforcement (ICE) was contacted, the defendant’s fingerprints were examined against their database, and a match was found. They determined that Mejia- Montiel had previously been removed from the U.S. and had not applied for permission to reenter after being formally removed in August 2018, September 2021, May 2024, and June 2024. ICE investigated the crime, and Assistant U.S. Attorney Cameron J. Cook prosecuted the case. U.S. District Court Judge Alan B. Johnson imposed the sentence in Cheyenne on June 3. Case No. 25-CR-00069

Public Land Violations

Timothy Steury II, age 31, of Eugene, Oregon, was sentenced to 10 days of incarceration, with credit for 6 days previously served. On June 3, Steury pled guilty to refusing to submit to an official breath test after being stopped by law enforcement and suspected of driving while impaired, contempt of court for refusing to comply with a validly issued warrant for his blood, and speeding. He was also ordered to pay $1,060 in fines and court costs and placed on 2 years of unsupervised probation, terms of which include a ban from Yellowstone National Park during that time. The refusal of a breath test conviction was also reported to the state that issued Mr. Steury’s driver’s license. U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence in Mammoth.