Aaron Douglas Brixey, Involuntary Manslaughter, Oklahoma 2025

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Pryor Man Sentenced for Involuntary Manslaughter in Oklahoma

A 72-month prison sentence was handed down to Aaron Douglas Brixey, 27, for Involuntary Manslaughter in Indian Country. U.S. Attorney Clint Johnson announced the sentencing, which was administered by U.S. District Judge John D. Russell.

The incident occurred in February 2025 when Oklahoma Highway Patrol troopers responded to a multi-car crash. Two motorists who were rear-ended by a silver car called 911 to report the accident, stating that the driver who caused the wreck drove from the scene. Moments later, the same silver vehicle rear-ended a third car, causing it to roll, ejecting and killing Matthew Gatewood.

Troopers located the silver car emitting smoke and assisted Brixey from the driver’s seat. Court documents show that Brixey smelled of alcohol, was unsteady on his feet, and beer cans were visible in the vehicle.

When medical personnel attempted to treat Brixey, he became combative. He was detained by troopers and placed in a patrol unit, where Brixey yelled and banged his head against the window. A warrant for Brixey’s blood was obtained, revealing a blood alcohol concentration of 0.171, more than twice the legal limit.

Toxicology further revealed that THC was also detected in his blood. A similar incident occurred 45 days prior, when Brixey was accused of driving while intoxicated, causing another accident that hurt two people. The charges related to that incident are pending in the Cherokee Nation District Court.

Brixey is a citizen of the Choctaw Nation of Oklahoma, and he will remain in custody pending transfer to the U.S. Bureau of Prisons. The Oklahoma Highway Patrol, the Oklahoma State Bureau of Investigation, and the FBI investigated the case, while Assistant U.S. Attorney Stephen Flynn prosecuted the case.