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U.S. Marshals in Colorado Looking for Escaped Inmate


Reward up to $10,000 being offered for info leading to arrest

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For immediate release

Sean Oman, Supervisory Deputy U.S. Marshal

District of Colorado
Denver, CO
(303) 728-7833
**Mark Fox was Found Deceased in Rocky Ford, CO on August 12, 2023**

Denver, CO – The U.S. Marshals in the District of Colorado and the FBI are asking for the public’s help and offering a reward of up to $10,000 for information leading to the arrest of a man who escaped along with three other men in late July from the Bent County Jail about 200 miles south of Denver.

Mark Desmond Fox, 46, is wanted for the following charges:

  • One count of escape (Colorado Section 18-8-208);
  • One count of conspiracy to commit crop insurance fraud (18 USC 1014);
  • One count of making a false statement to obstruct a federal criminal investigation (18 USC 1519);
  • Two counts of extortion by use of mail (18 USC 876(d));
  • One count of attempting to influence a grand jury witness's testimony (18 USC 1512(b)(1));Two counts of attempt to obstruct an official proceeding (18 USC 1512(c)(2)).

Two of the escapees were caught and returned to on custody Aug. 1. A third was found dead of a suspected drug overdose in Pueblo County.

Fox is a white male, bald, stands 6 feet 3 inches and weighs approximately 175 pounds. He should be considered dangerous. Anyone with information as to his whereabouts should contact the U.S. Marshals at 1-877-WANTED2 or submit information via the USMS Tips App.  

The Colorado Violent Offender Task Force is a multi-jurisdictional fugitive task force that targets the most violent offenders to include those wanted for murder, assault, sex offenses, and other serious offenses throughout the state and country.

Nationally, the U.S. Marshals Service fugitive programs are carried out with local law enforcement in 94 district offices, 85 local fugitive task forces, eight regional task forces, as well as a growing network of offices in foreign countries.

Additional information about the U.S. Marshals Service can be found at


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