HARRIS COUNTY, Texas (KIAH) – The Harris County Sheriff’s Office Homicide Unit are holding a press conference seeking the public’s assistance with any information regarding the tragic shooting death of 19-year-old Cody Walker Johnson on Friday, September 27, 2024. It 23600 block of the westbound Katy Freeway service road. The Johnson family will join the press conference to appeal to the community to help solve this case.