A federal jury in Lafayette, Louisiana, convicted Deputy United States Marshal Joshua Firmin on April 15, 2026, on two counts: deprivation of civil rights by subjecting a prisoner to cruel and unusual punishment, and obstruction of justice by filing a false official report [1]. The prosecution arose from an assault Firmin committed while on duty at the U.S. District Courthouse in Lafayette, not from conduct in the field, making the setting, a federal judicial facility, central to the government's theory of accountability [1].
Trial evidence established that on Feb. 9, 2024, Firmin was supervising prisoner custody operations at the Lafayette courthouse when he entered a locked holding cell and assaulted a restrained detainee without provocation [2]. The victim was secured in handcuffs, a belly chain, and leg irons when Firmin grabbed him by the collar, struck him in the face with a ring of cell keys, pulled him from the cell, and shoved him forcefully into the cellblock wall, causing a scalp laceration that required staples to close. Prosecutors established that Firmin went to the cell after being told the prisoner had made comments about him, framing the assault as a retaliatory act. Firmin subsequently wrote and submitted an official U.S. Marshals Service incident report falsely attributing his use of force to the victim attempting to spit on him. The jury returned a unanimous verdict of guilty on both counts.
The verdict came days after the presiding judge ruled that the defense's expert witness could not testify regarding proper use-of-force standards or whether the victim posed an imminent physical threat to Firmin. That evidentiary ruling, excluding the defense's primary expert, materially narrowed the trial record on the force-justification question. The Department of Justice Office of the Inspector General, Houston Division, investigated the case.
Firmin faces up to 30 years in federal prison. No sentencing date has been publicly announced. The conviction on the obstruction count, which requires proof that Firmin acted with intent to impede a federal investigation, alleged that his false report was designed to "impede, obstruct and influence the investigation and proper administration" of the DOJ's own inquiry. That finding by the jury forecloses any post-trial argument that the false report was merely negligent or mistaken.
The case is a rare instance of a sitting federal law enforcement officer being prosecuted and convicted on civil rights charges in federal court. The jury found that Firmin severely assaulted the victim without cause while the victim was a prisoner in federal custody. No post-trial motions or notice of appeal had been publicly filed as of the date of this report.
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