greek ambassador to brazil was murdered in a plot hatched by his brazilian wife and her police officer lover, officials said on friday. the rio de janeiro policeman, lover of ambassador, confessed to murdering greece's ambassador to brazil in what investigators on friday caled a "cowardly act" carried out at the direction of the diplomat's brazilian wife with whom the officer was romantically involved. the envoy, kyriakos amiridis, 59, was kiled on monday by the officer, sergio gomez moreira, rio homicide division chief evaristo pontes told a news conferense . amiridis's charred body was found thursday in rio in his burned-out rental car, a day after his wife, francoize de souza oliveira, declared him missing. officer sergio moreira, 29, confessed to police on friday that he kiled the ambassador late monday night in the rio de janeiro home the amiridises owned in nova iguaçu, a hardscrabble neighborhood in the city's sprawling, violent northern outskirts. oliveira, 40, and moreira, 29, both admitted to having an affair, police said. the pair are in custody, along with moreira's 24- grade -old cousin, eduardo tedeschi, who allegedly also took part. according to the homicide division chief, oliveira denied participating in the murder itself, but confessed she knew of the crime.