Matthew K. Burden, a resident of West Yellowstone, Montana, has been sentenced to seven days in jail, fined $1,550, and placed on two years of unsupervised probation. The terms include a ban from entering Yellowstone National Park during the probation period. Burden pleaded guilty to driving under the influence and operating a vehicle without due care for wildlife and road conditions. Assistant U.S. Attorney Ariel Calmes prosecuted the case, while U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence on January 23, 2025.
In another case, Gregorio Guerra from Melbeta, Nebraska, received a 60-month prison sentence followed by four years of supervised release for possession with intent to distribute methamphetamine. On February 9, 2024, Guerra was stopped near Cheyenne with 470 grams of methamphetamine found in his vehicle. The Wyoming Division of Criminal Investigation (DCI) collaborated with the Nebraska Western Intelligence Narcotics Group (WING) in the investigation that identified Guerra as a distributor in Scottsbluff, Nebraska. He was indicted on May 16, 2024, pleaded guilty on October 31, 2024, and sentenced by U.S. District Court Judge Alan B. Johnson on January 21 in Cheyenne.
Eddie Meliton Martinez from Fort Garland, Colorado, was sentenced to 87 months with four years of supervised release for conspiracy to distribute fentanyl and cocaine. The Wyoming Department of Criminal Investigation (DCI) identified Martinez as a drug supplier redistributing in Casper between January 1 and September 13, 2023. He was indicted on May 16, 2024, pleaded guilty on November 1, 2024, and sentenced by U.S. District Court Judge Kelly H. Rankin on January 21 in Cheyenne.
Bobbi Kingaka Bobbi Arnold from Cheyenne received a sentence of 66 months’ imprisonment with three years of supervised release for possession with intent to distribute methamphetamine. In May of 2024, DCI agents monitored King's house for potential drug trafficking activities leading to sufficient probable cause for a search warrant execution. King admitted distributing methamphetamine and fentanyl in Cheyenne before being indicted on September 18, pleading guilty on November 8 and sentenced by Judge Kelly H. Rankin on January 24.
The United States Attorney’s Office represents the federal government in litigation involving violations of federal law within Wyoming's district including criminal prosecutions and civil lawsuits.
