Jackson County corrections officer's death remains unsolved after 21 years Sister finds solace in helping other families Sister finds solace in helping other families and last updated 2021-04-02 00:50:38-04 KANSAS CITY, Mo. â Joel Holbrook was a proud U.S. Army veteran who served in Desert Storm. He continued to serve in the National Guard even after moving to the Kansas City area to work as a corrections officer at the Jackson County Detention Center. Holbrook's older sister, Connie Sheely, describes him as quiet but funny, someone who loved animals, working with kids, and music. He even played in the U.S. Army band.