Outcry over Japan's forced confessions
2 January 2013 Last updated at 00:13 GMT
Japan has one of the lowest reported crime rates in the world and a conviction rate of more than 99%.
But while its justice system may be credited with keeping society safe, in recent months there has been a public outcry over an alarming number of wrongful arrests where innocent people confessed to crimes they did not commit.
Mariko Oi reports.