James Arnott

At a glance

James Arnott, identified by the Marshals Service as Jim C. Arnott, moved into the Western District of Missouri marshal role after a long Greene County law-enforcement career. His official biography describes progression from patrol deputy to sheriff and additional policing leadership in Missouri.

Summary sources: [1]

Career and documented accomplishments

• Arnott joined the Greene County Sheriff’s Office as a patrol deputy in 1988. He later served as detective, sergeant, lieutenant, captain and chief deputy, becoming chief deputy in 2006. [1]
• He was elected Greene County sheriff in November 2008 and served five consecutive terms. His education includes a criminal-justice-administration bachelor’s degree from Columbia Southern University and training at Drury University’s law-enforcement academy and the FBI National Academy. [1]

Role and nomination context

• The biography records swearing-in on August 28, 2026 after Senate confirmation. Western District marshal duties include court security, fugitive investigations, prisoner operations, asset forfeiture and service of process. [1]

Sources and review date

Career and role sources reviewed Oct 14, 2026. These sources may describe developments beyond the nomination snapshot; each nomination entry retains its recorded date and outcome.

1. Jim C. Arnott

   U.S. Marshals Service. Reviewed Oct 14, 2026.