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Press Release

Activity in the U.S. Attorney's Office

For Immediate Release
U.S. Attorney's Office, District of Wyoming
Recent Sentencings

Public Lands Violations

Matthew K. Burden, 44, of West Yellowstone Montana, was sentenced to seven days incarnation, $1,550 in fines and court costs, and two years of unsupervised probation, the terms of which include a ban from entering Yellowstone National Park during that time. Mr. Burden pled guilty to driving under the influence of alcohol and operating a motor vehicle without due care considering wildlife, traffic, weather, road conditions, lighting, and road character. Assistant U.S. Attorney Ariel Calmes prosecuted the crime and U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence on Jan. 23, 2025, in Mammoth. 

Drug Trafficking

Gregorio Guerra, 33, of Melbeta, Nebraska, was sentenced to 60 months’ imprisonment with four years of supervised release to follow, for possession with intent to distribute methamphetamine. According to court documents, on Feb. 9, 2024, Guerra was stopped near Cheyenne, where 470 grams of methamphetamine and related drug paraphernalia were found in his vehicle. The Wyoming Division of Criminal Investigation (DCI) worked with the Nebraska Western Intelligence Narcotics Group (WING) in the investigation and determined Guerra was a methamphetamine distributor in the Scottsbluff, Nebraska area. Guerra was indicted on May 16, 2024, pleaded guilty on Oct. 31, 2024, and U.S. District Court Judge Alan B. Johnson imposed the sentence on Jan. 21, in Cheyenne. DCI, WING, Wyoming Highway Patrol, and the Cheyenne Police Department investigated the crime. Assistant U.S. Attorney Z. Seth Griswold prosecuted the case. Case No. 24-00063

Eddie Meliton Martinez, 55, of Fort Garland, Colorado, was sentenced to 87 months with four years of supervised release to follow, for conspiracy to distribute fentanyl and cocaine. According to court documents

the defendant was identified by the Wyoming Department of Criminal Investigation (DCI) as a source of supply for drugs being redistributed in Casper. From about Jan.1, 2023, to Sept. 13, 2023, Martinez, located in the Denver, Colorado area, was participating in a conspiracy to distribute fentanyl and cocaine with other individuals in Casper. Martinez was indicted on May 16, 2024, pleaded guilty on Nov. 1, 2024, and U.S. District Court Judge Kelly H. Rankin imposed the sentence on Jan. 21, in Cheyenne. DCI investigated the crime. Assistant U.S. Attorney Mackenzie R. Morrison prosecuted the case. Case No. 24-00069

Bobbi King aka Bobbi Arnold, 58, of Cheyenne, Wyoming, was sentenced to 66 months’ imprisonment with three years of supervised release to follow, for possession with intent to distribute methamphetamine. According to court documents, in May of 2024, agents with DCI were monitoring King’s house for potential drug trafficking. Through the investigation, they gathered enough probable cause for a search warrant. In addition to the drugs seized in her truck and residence, King admitted to distributing methamphetamine and fentanyl to several people in Cheyenne. King was indicted on Sept. 18, 2024, pleaded guilty on Nov. 8, 2024, and U.S. District Court Judge Kelly H. Rankin imposed the sentence on Jan. 24, in Cheyenne. DCI investigated the crime. Case No. 24-00063


About the United States Attorney’s Office

The United States Attorney’s Office is responsible for representing the federal government in virtually all litigation involving the United States in the District of Wyoming, including all criminal prosecutions for violations of federal law, civil lawsuits brought by or against the government, and actions to collect judgments and restitution on behalf of victims and taxpayers. The Office is involved in several programs designed to make our communities safer. They include:

Project Safe Childhood
Project Safe Childhood (PSC) is a DOJ initiative that combats the proliferation of technology-facilitated sexual exploitation crimes against children. The threat of sexual predators soliciting children for sexual contact is well-known and serious.

Project Safe Neighborhoods
Project Safe Neighborhoods (PSN) is a nationwide commitment to reducing gun and gang crime in America by networking existing local programs that target gun crime and providing these programs with additional tools necessary to be successful.

Victim Witness Assistance
The Victim Witness Coordinator for the United States Attorney’s Office for the District of Wyoming is dedicated to making sure that victims of federal crimes and their family members are treated with compassion, fairness, and respect.

To report a federal crime, go to: https://www.justice.gov/actioncenter/report-crime

Contact

Lori Hogan (PIO Contractor)

United States Attorney’s Office

District of Wyoming

307-772-2124

usawy.pio@usdoj.gov

@usaowy

Updated January 31, 2025

Topic
Drug Trafficking
Press Release Number: 25-009