Japanese death-row inmate Chisako Kakehi, dubbed the "Black Widow" after she used cyanide to kill her elderly lovers​, has died in a detention center at age 78, officials say,

Tokyo: Japanese serial killer Chisako Kakehi, infamous as 'Black Widow' for killing her elderly lovers by using cyanide, has died in a detention centre at the age of 78, officials stated on Friday. Chisako was sentenced to death for the murder of three men,

A 78-year-old death inmate convicted of murdering her husband and two common-law partners with poison in western Japan more than a de