Shaleen Ungricht, 47, of Rock Springs, Wyoming, received a sentence of 140 months in prison followed by four years of supervised release for distributing methamphetamine. According to court records, the Wyoming Division of Criminal Investigation identified Ungricht as a significant distributor in Southwest Wyoming. Starting in March 2024, law enforcement conducted six controlled purchases from her totaling over 600 grams. At her arrest in January 2025, authorities found additional quantities on her and at her residence. The case was investigated by the Wyoming DCI and Drug Enforcement Administration and prosecuted by Assistant U.S. Attorney Z. Seth Griswold. Judge Scott W. Skavdahl imposed the sentence on November 19 in Cheyenne.
In another case, Jose Bradley Isaacson, 22, from Smithfield, Utah, was sentenced to three years in prison with an additional three years of supervised release for interstate stalking. Court documents state that after a breakup with the victim—who was working at Yellowstone National Park—Isaacson made repeated contact attempts and threats before traveling to Old Faithful Village to confront her physically. After fleeing the scene and stealing a rental car the next day, he was apprehended by Grand Teton Park Rangers following a pursuit involving a tire deflation device. The incident was investigated by National Park Rangers and prosecuted by Assistant U.S. Attorney Kerry Jacobson; Judge Alan B. Johnson issued the sentence on November 21.
Corey Thacker, 37, with no fixed address, received a sentence of nearly six years in prison plus three years of supervised release for possession with intent to distribute methamphetamine and using a firearm during drug trafficking activities. On February 3, Cheyenne Police stopped Thacker and discovered suspected fentanyl pills and methamphetamine along with packaging materials and cash. He also carried a loaded handgun which he admitted carrying for protection as a drug dealer. The investigation involved Cheyenne Police Department and DEA agents; Assistant U.S. Attorney Paige Hammer prosecuted the case before Chief Judge Kelly H. Rankin.
Mario Cisneros-Tenorio, 40, from Serrano, Guanajuato, Mexico was sentenced to time served plus up to ten days for deportation proceedings after illegally reentering the United States following previous removal in April 2016. ICE agents encountered him at Sweetwater County jail after his arrest for driving under the influence; they confirmed he had not sought permission to return to the U.S., resulting in prosecution by Assistant U.S. Attorney Timothy W. Gist.
The United States Attorney’s Office represents the federal government in all litigation within Wyoming’s district courts—including criminal prosecutions under federal law—and is involved in programs aimed at community safety such as Project Safe Childhood (PSC), which targets technology-based sexual exploitation crimes against children; Operation Take Back America—which focuses on combating illegal immigration and organized crime; and services supporting victims through its Victim Witness Program.
Individuals can report federal crimes through https://www.justice.gov/actioncenter/report-crime.
