The Internal Affairs Unit is tasked with investigating all allegations and complaints of inappropriate and/or actions made against employees of the Jefferson County Sheriff's Office. It is a fact finding entity with three main purposes, Protection of the Public, Protection of the Department and Protection of the Employee.

The Internal Affairs Unit assists the Sheriff in her commitment to uphold the highest degree of integrity, pride and professionalism of its employee's. Good community relations between the Sheriffs Office and the public is vital to the Sheriff's Office, perhaps the most essential element in this relationship is "Integrity". All complaints made against employees are taken seriously and thoroughly investigated. The mission of the unit is to protect the public trust through the thorough investigation of complaints, concerning the department's employees.

The Internal Affairs Unit is located on the second floor of the Sheriff's Office located at 1001 Pearl Street Beaumont, Texas 77701. Citizen complaints can be made at the Pearl Street location. Office hours are 8:00am to 5:00pm, Monday thru Friday.