A 78-year-old death inmate convicted of murdering her husband and two common-law partners with poison in western Japan more than a decade ago died Thursday, the Justice Ministry said.Chisako Kakehi, who was dubbed the "black widow" and was seeking retrial, is believed to have died due to illness, a source familiar with the matter said. She had been in an Osaka prison and her death was confirmed after being taken to a hospital, the ministry said.Kakehi's death penalty was finalized in 2021 after the Supreme Court upheld lower court rulings for the murder of her 75-year-old husband, Isao Kake…READ FULL ARTICLE