Diminished Capacity Defense

How the insanity defense and claims of diminished responsibility impacted the sentencing in a 2025 Japanese homicide case.

1. Reiwa 6 (Wa) No. 301 Murder and Corpse Abandonment Case

2. Jurisdiction: Japan (2025)
3. Original Case: 令和6(わ)301 殺人、死体遺棄被告事件
4. VictimsTanaka KenjiDefendantsSato HiroshiInvestigatorsSuzuki TakuyaMatsumoto RieProsecutorsWatanabe YukiDefense AttorneysIto KenjiJudgesYamamoto KeikoInstitutionsTokyo Metropolitan Police DepartmentTokyo District Public Prosecutors OfficeTokyo District Court
5. Case Tags: Murder;Corpse Abandonment;Japanese Criminal Trial;Diminished Capacity Defense