Jūdai jihan shōnen no jittai to shogū
By: [henshū Hōmu Sōgō Kenkyūjo]
Series: Hōmu Sōgō Kenkyūjo Kenkyūbu hōkoku -- 31
Publisher: Hōmu Sōgō Kenkyūjo
Published: 2006
Place of publication: Tōkyō
Language: jpn
Number of pages: 97
Subjects: Youth and violence; Violent crimes
Notes: Cover title.