Jonathan Guillory, Voluntary Manslaughter, Colorado 2025

Violence Behind Bars: Jonathan Guillory and Anthony Bell Sentenced for Fellow Inmate’s Death

DENVER, Colorado – In a shocking display of violence, Jonathan Guillory, 45, and Anthony Bell, 44, two federal inmates, have been sentenced for their roles in the death of a fellow inmate at the U.S. Penitentiary-High in Florence, Colorado.

According to the plea agreements, on December 6, 2021, a violent altercation occurred inside a cell involving Guillory and the victim. During the confrontation, Guillory repeatedly stabbed the victim with a homemade weapon, including a fatal wound to the base of the throat. While the assault unfolded, Bell exited the cell and deliberately held the door shut, preventing the victim from escaping or receiving assistance.

The case was investigated by the Federal Bureau of Investigation, and the prosecution was handled by the Violent Crime and Immigration Enforcement Section of the U.S. Attorney’s Office.

United States District Judge Regina M. Rodriguez sentenced Bell on June 12, 2025, and sentenced Guillory on June 18, 2025. Guillory was sentenced to 88 months for voluntary manslaughter, while Bell was sentenced to 27 months for involuntary manslaughter.

‘This case underscores our unwavering commitment to safety within the federal prison system,’ said United States Attorney Peter McNeilly. ‘Acts of violence, even behind bars, will be met with serious consequences. These defendants now face significant additional time to reflect on the gravity of their actions and the reach of the law.’

Guillory and Bell’s sentencing serves as a stark reminder that violence behind bars will not be tolerated and will be met with severe consequences.

Defendant/Respondent: Jonathan Guillory

Criminal Charges: Voluntary Manslaughter

City and State: Denver, Colorado

Exact Date: December 6, 2021 (crime date), June 12, 2025, and June 18, 2025 (sentencing dates)

Sentence or Outcome: 88 months in prison (Guillory), 27 months in prison (Bell)

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