Activity in the U.S. Attorney's Office

Firearm Offenses

Danny Lee Jimenez, age 38, of Cheyenne, Wyoming, was sentenced on May 18, 2023, for being a felon in possession of a firearm. U.S. District Court Judge Alan B. Johnson sentenced Jimenez to 15 months in prison with three years of supervised release and a $100 special assessment. The crime was investigated by the Bureau of Alcohol, Tobacco, Firearms and Explosives. Assistant U.S. Attorney Michael J. Elmore prosecuted the case.

Paul King, age 64 of Cheyenne, Wyoming, was sentenced on May 22, 2023, for being a felon in possession of a firearm.  U.S. District Court Judge Alan B. Johnson sentenced King to 21 months’ imprisonment with three years of supervised release and a $100 special assessment. The crime was investigated by the Bureau of Alcohol, Tobacco, Firearms and Explosives, and prosecuted by Assistant U.S. Attorney Kerry J. Jacobson.

Civil Rights

Argel Sierra, age 39, of San Antonio, Texas, was sentenced on May 16 for felony deprivation of civil rights. Chief U.S. District Court Judge Scott W. Skavdahl sentenced Sierra to five years’ probation, a $750 fine, and a $100 special assessment. Judge Skavdahl also ordered Sierra to pay $1,646.10 in restitution. According to court records, while serving as a police officer with the Mills (Wyo.) Police Department in 2019, Sierra unlawfully arrested a man without probable cause, and used excessive force to make the unlawful arrest. This crime was investigated by the Federal Bureau of Investigation and the Wyoming Division of Criminal Investigation. First Assistant U.S. Attorney Eric Heimann prosecuted the case.