- Iwao Hakamada was acquitted after 46 years on death row for a 1968 quadruple murder.
- Hakamada was the longest-serving inmate on death row of any prisoner worldwide.
- Japan and the US are the only G7 countries that use capital punishment.
An 88-year-old man has been acquitted of multiple murders in Japan after spending 46 years on death row — most of them in solitary confinement.