Three Harris County Jail Officers Indicted Over March 26, 2024 Inmate Assault
Three Harris County Jail detention officers, Isaac Hernandez, 31; Isaac Serrato, 24; and Kevin Parker Jr., 27, were charged after an internal probe into a March 26, 2024 inmate assault.

Three detention officers at Harris County Jail, Isaac Hernandez, 31; Isaac Serrato, 24; and Kevin Parker Jr., 27, were charged in connection with an inmate assault that occurred on March 26, 2024, the Harris County Sheriff’s Office announced in a news release it issued on Friday. ABC13 identifies the charges specifically as misdemeanor assault causing bodily injury, while other reporting uses the term indicted; HCSO’s release is the source of the office’s announcement that the officers were relieved of duty following an internal investigation.
Documents obtained by ABC13 provide the most detailed account of the alleged use of force: all three officers are accused of using their hands to assault the inmate during the March 26, 2024 incident, and Isaac Serrato is additionally accused of using his leg. The documents reviewed by ABC13 form the basis for the charge language that links the alleged conduct to bodily injury.
HCSO reiterated the administrative steps that will follow the criminal filing. In its news release, the sheriff’s office said, “The Sheriff's Administrative Disciplinary Committee will review the investigative findings soon and recommend disciplinary action, including possible termination, according to the sheriff's office.” An HCSO Instagram post summarized the internal action this way: “After conducting an internal investigation, HCSO said it relieved three detention officers of duty for assaulting an inmate in March 2024.”
News accounts vary in procedural wording: the Houston Chronicle headline republished by Yahoo used the word indicted, while ABC13 reported the HCSO statement that the officers “were charged with misdemeanor assault causing bodily injury on Friday afternoon, two years after the incident on March 26, 2024.” The available excerpts do not identify whether a grand jury returned indictments or whether the Harris County District Attorney’s Office filed misdemeanor complaints, and HCSO’s release did not include case numbers.
Key public records remain unavailable in the reporting to date: prosecutors and court clerks have not been named as filing the charges in the provided materials, no arraignment dates or docket numbers are cited, and the identity and current status of the inmate alleged to have been assaulted are not included in the disclosed documents. The presence or release of surveillance or other video evidence was not mentioned in the HCSO release or ABC13 documents.
A user-supplied brief accompanying the reporting characterizes the case as underscoring persistent issues within the facility’s staff conduct. The next steps to watch are whether the Harris County District Attorney’s Office files formal charging instruments with case numbers, when the Administrative Disciplinary Committee issues its recommendations, and whether internal discipline and criminal proceedings move forward on the same timetable.
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