Published November 8, 1999 by Takarajimasya bunko, price 562 yen + tax

Part 2, A portrait of police
【My experience in "4 sections of Metropolitan Police Department investigation"】

* A secret revelation.
* Do not publish it.
* A circumstantial evidence.
* The reason Why the police cannot approach Yamaguchi.
* " Is the investigation by Metropolitan Police Department soft "?
* A member of 4 sections seems a real police.
　　　　　　
Mizoguchi Atsushi

The world of the Police is stranger than a mystery!

Published January 14, 1997 by Takarajimasya, price 850 yen

Part 1, A portrait of police
Secret revelation
【My experience in "4 sections of Metropolitan Police Department investigation"】

* Do not publish it.
* A circumstantial evidence.
* The reason Why the police cannot approach Yamaguchi.
* " the investigation by Metropolitan Police Department is soft "?
* A member of 4 sections seems a real police
　　　　
Mizoguchi Atsushi