Activity in the U.S. Attorney's Office

Public Land Violations

Douglas Wolfley, 49 of Fairview, Wyoming, was sentenced to a 10-day term of incarceration with credit for 2 days served after pleading guilty to driving a motor vehicle while under the influence of alcohol in Yellowstone National Park, his third DUI conviction in 10 years. He also pled guilty to possession of an open container of alcohol in a motor vehicle. In addition to the term of incarceration, Wolfley was placed on 3 years of unsupervised probation, terms of which include a ban from Yellowstone National Park during that period and was ordered to pay $3,050 in fines and court costs. Assistant U.S. Attorney Ariel Calmes prosecuted the case. U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence on March 18, 2025.

Angela Flaherty, 44, of Seattle, Washington was sentenced to a 7-day term of incarceration after pleading guilty to violating 36 CFR 7.13(j), which requires all foot travel in thermal areas of Yellowstone National Park be confined to marked trails or boardwalks. Ms. Flaherty left the boardwalk and viewing area surrounding Old Faithful geyser and walked approximately 10 feet onto the cone of Old Faithful. Some of her conduct was captured on video by another park visitor. In addition to the term of incarceration, Ms. Flaherty was ordered to pay $40 in mandatory court costs. Assistant U.S. Attorney Ariel Calmes prosecuted the case. U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence on March 19, 2025.

Yiyang Shen, 25 of Doraville, Georgia was sentenced to a 7-day term of incarceration and five years of unsupervised probation, the terms of which include a ban from Yellowstone National Park, after he drove off the designated roadway and parked his vehicle in a thermal area in Yellowstone. Mr. Shen was charged with operating a motor vehicle in a prohibited area in a manner that caused damage to park resources and foot travel in a thermal area not confined to any designated and marked trail or boardwalk. In addition to the terms of incarceration and probation, Mr. Shen was ordered to pay $1,050 in fines and court costs. U.S. Magistrate Judge Stephanie A. Hambrick imposed the sentence on March 12, 2025.

Firearm Offenses

Jeffrey Cletus Geist, 58, of Gillette, Wyoming, was sentenced to 18 months’ imprisonment, with three years of supervised release to follow for being a felon in possession of a firearm. According to court documents, on March 12, 2024, the Campbell County Sheriff’s Office stopped Geist on his motorcycle for a traffic violation. A canine was deployed on the exterior of the motorcycle and immediately alerted to the presence of narcotics. Deputies located three bags of methamphetamine and a 9mm handgun. Geist is a previously convicted felon and is prohibited from possessing a firearm. He was indicted on Sept.18, 2024 and pleaded guilty on Dec. 18, 2024. Chief U.S. District Court Judge Scott W. Skavdahl imposed the sentence on March 11 in Casper. The Bureau of Alcohol, Tobacco, Firearms and Explosives and the Campbell County Sheriff’s Office investigated the crime. Assistant U.S. Attorney Christyne Martens prosecuted the case. Case No. 24-CR-00157

Illegal Re-Entry of a Previously Deported Alien

Antonio Pacheco-Bautista, 37, of Michoacan, Mexico, was sentenced to 24 months’ imprisonment. Upon release, the defendant shall be delivered to a duly authorized immigration official for deportation in accordance with the established procedures provided by the Immigration and Naturalization Service Act. According to court documents, on Nov. 18, 2024, Pacheco-Bautista, was arrested by the Campbell County Sheriff’s Office for driving while under the influence and an open container. Immigration and Customs Enforcement (ICE) determined Pacheco-Bautista is not a United States citizen, had previously been removed from the U.S. and had not applied for permission to reenter the U.S. Pacheco-Bautista had a history of illegally re-entering the U.S. since 2009. 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 on March 21 in Cheyenne. Case No. 25-CR-00025

Omar Pacheco-Alonso, 34, of Mexico, was sentenced to time served plus 10 days to allow for deportation proceedings, with no term of supervised release. According to court documents, on Jan. 19, 2025, Pacheco-Alonso was arrested by the Gillette Police Department for driving while under the influence of alcohol. ICE determined Pacheco-Alonso is not a United States citizen, had previously been removed from the U.S. and had not applied for permission to reenter the U.S. Immigration and Customs Enforcement. Pacheco-Alonso has a previous conviction for illegally re-entering the U.S. ICE investigated the crime. U.S. District Court Judge Alan B. Johnson imposed the sentence on March 21 in Cheyenne. Case No. 25-CR-00024

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.

Operation Take Back America
Operation Take Back America is a nationwide initiative that marshals the full resources of the Department of Justice to repel the invasion of illegal immigration, achieve the total elimination of cartels and transnational criminal organizations (TCOs), and protect our communities from the perpetrators of violent crime. Operation Take Back America streamlines efforts and resources from the Department’s Organized Crime Drug Enforcement Task Forces (OCDETFs) and Project Safe Neighborhood (PSN).

Victim Witness Program
The Victim Witness Coordinator for the United States Attorney’s Office for the District of Wyoming is dedicated to ensuring 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