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Press Release

Four Defendants Sentenced for Assaulting Fellow Inmate in 2020

For Immediate Release
U.S. Attorney's Office, Northern District of Oklahoma

Four men have been sentenced in federal court after joining together to commit a coordinated assault on a fellow inmate in 2020, announced U.S. Attorney Clint Johnson.    

On Feb. 21, 2020, codefendants Roy Brayboy, Chance Thomison, Adam Ramsey, and Mark Amos punched and kicked the victim in a jail cell while they and the victim were being held at the Craig County Jail. Officers responded and found the victim lying on the floor. During the attack, the victim suffered injuries to his brain, fractures to his nose and ribs, and swelling in the face.

The defendants all pleaded guilty to assault resulting in serious bodily injury in Indian Country.

Brayboy, 25, was sentenced Wednesday to 18 months in prison followed by two years of supervised release.

Previously, Thomison, 24, was sentenced to 57 months in prison followed by three years of supervised release. Amos, 25, and Ramsey, 31, received 41-month prison sentences followed by three years of supervised release.

The FBI conducted the investigation. Assistant U.S. Attorney David A. Nasar prosecuted the case.

Updated September 1, 2022

Violent Crime
Indian Country Law and Justice