The Labette County Sheriff's Office has three detectives assigned to the investigative unit, playing a crucial role in overseeing investigations for the Sheriff's Office. Collaborating closely with two Patrol Corporals, they ensure thorough and effective inquiries across a wide range of cases. Once a uniformed deputy or corporal takes a report, a detective is assigned the case. They promptly initiate follow-up investigations to gather additional information and evidence, reinforcing the Sheriff's Office commitment to resolving cases efficiently.

The investigative unit is responsible for processing and cataloging evidence at crime scenes, a critical aspect of their work that lays the groundwork for successful prosecutions. They meticulously prepare affidavits for arrest and search warrants, ensuring strict adherence to legal protocols. Conducting interviews with victims, witnesses, and suspects is another vital part of their investigations, as these conversations often yield key insights and lead to breakthroughs. The team investigates a diverse array of crimes, including fatalities, arson, burglaries, thefts, sex crimes, and drug-related violations, demonstrating their versatility and dedication to addressing various criminal activities in the community.

In addition to their investigative duties, the detectives collaborate with the Offender Registration unit to monitor and enforce compliance among registered offenders in Labette County. This responsibility is essential for maintaining community safety and ensuring that offenders adhere to legal requirements. They work closely with several agencies, including the Kansas State Fire Marshal's Office and the Kansas Bureau of Investigation, as well as various state and federal authorities. Furthermore, they extend their assistance to local agencies within Labette County and collaborate with neighboring jurisdictions as needed, showcasing their commitment to a comprehensive approach to law enforcement.