The 75-year old died in December , less than two months after their wedding . Seven of Ms Kakehi 's previous partners have died in recent years . Autopsy results on her fourth husband found cyanide in his blood , police said . Media reports say she has made money from life insurance money .
Seven of Ms Kakehi 's previous partners have died in recent years . Autopsy results on her fourth husband found cyanide in his blood , police said . Media reports say she has made money from life insurance money .