Just don't razz any Yakuza in Kobe...

[cstaylor]

...cause the cops won't help you... they're too busy sleeping at the local Koban.

[Taro Toporific]

Yamanashi's 'Keystone Kops' regularly faked evidence...

Destroying the evidence
Police can't be trusted to clean their own house.
--The Asahi Shimbun / IHT -- May 21, 2004
Important account documents that possibly contained evidence of police slush funds were destroyed at 10 police organizations-including the Metropolitan Police Department and the National Police Agency's Kyushu regional bureau-despite an agency order to preserve them. ...
...Fraud and abuse inside police organizations undermines the integrity of law-enforcement authorities and causes a gradual erosion in morale on the front line. That eventually will shake the very foundations of public safety. This is a crucial moment for the credibility of Japan's police forces.