On September 8, 2023, at about 1845 hours, the body of Joseph Mattson was discovered on Marconi Road in an advanced stage of decomposition. An autopsy examination conducted the next day determined the manner of death to be homicide, and a second-degree murder case was initiated.  The Honolulu Police Department is asking that anyone with information about this case to call 911 or contact Honolulu Crime Stoppers at 808-955-8300. The public may also send anonymous web tips to www.honolulucrimestoppers.org or via the P3 Tips app.