Karori homicide: Man accused of cleaning shotgun used to kill Rau Tongia in his Karori home 15 Feb, 2021 02:27 AM 2 minutes to read An online tribute for Rau Tongia, who was found dead in his Karori home. Wellington reporter, NewstalkZB A Porirua man has been accused of tampering with evidence in relation to the murder of Rau Tongia - making him the fifth person charged over the death. The 19-year-old appeared in Wellington District Court this afternoon charged with being an accessory after the fact to Tongia's murder by cleaning a silver-barrelled shotgun to help another defendant avoid conviction. Tongia, 33, was found dead in a Karori home on December 20, and the investigation into his death is continuing.