Why the ``300 million yen incident'' that occurred in 1968 became a mystery...A former detective analyzes and talks about it

Roughly speaking Fumitaka Kohiruimaki, a former Metropolitan Police Department detective, reflected on the ``300 million yen incident'' on his YouTube channel. Points out that famous detective Hachibei Hiratsuka's ``alone crime theory'' may have led the investigation astray. Kohiruimaki analyzes that confirmation bias and assumptions have led to unresolved issues. Read article