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Investigation of Crimes Related to the Computer Network

Research Project

Project/Area Number 12620068
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Criminal law
Research InstitutionTHE University of Tokyo

Principal Investigator

INOUYE Masahito  THE University of Tokyo, Graduate School of Law and Political Science, Professor, 大学院・法学政治学研究科, 教授 (30009831)

Co-Investigator(Kenkyū-buntansha) SASAKURA Hiroki  THE University of Tokyo, Graduate School of Law and Political Science, Lecturer, 大学院・法学政治学研究科, 講師 (00313057)
IKEDA Kimihiro  Kobe University, Graduate School of Law, Associate Professor, 大学院・法学研究科, 助教授 (70302643)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2001: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2000: ¥2,100,000 (Direct Cost: ¥2,100,000)
Keywordscomputer crime / cyber-crime / computer network / Internet / E-mail / log files / search and seizure / interception of communications / 捜査
Research Abstract

The rapid development and spread of computer systems and local/global ramputer networks have been inducing the increase and spread of crimes which attack or use as instrument a computer system or computer network, or in relation to which a computer system or computer network plays some incidental role, In the investigation of such computer-related crimes, it is very important, or even crucial, to trace the transmission process through the computer network and/or to obtain relevant computer data and other electronic evidence stored in the computer system and other recording devices. Under the conventional criminal procedure law, which could not fit the highly technological as well as virtual environment of computer system and computer network, however, there arise various novel and difficult problems that might hinder the effective and smooth execution of such investigation. In this research project the researchers have classified these problems into the five aspects : (1) preservation … More and disclosure of data by an Internet or other telecommunication service provider, (2)inspection and seizure of the contents of E-mail and other telecommunications, (3)search and seizure of intangible data stored in a computer system and other recording device, (4)remote search and seizure of computer data stored in a distant computer system and other recoring device connected by network with the computer system at hand, and (5)trans-bordei search and seizure of computer data stored in a network-connected computer system and other recording device located in a foreign county. Based upon the theoretical analysis of major legal issues involved in each asped as well as the comparative study of relevant legal measures adopted in several American and European countries, the researchers have tried to find out and gained a prospect for, the desirable solutions of the problems, some de lege lata and some de lege ferendla.
The major findings of the research have been published in several articles (see REFERENCES below) and stimulated the discussion on the problems among academics and lawyers. They should contribute to the drafting of relevant new laws which the Japanese government is planning to enact in order to ratify the European Cyber-crime Convention. With such new developments taken into account, the researchers will publicize the findings of this research project in a more comprehensive way. Less

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • Research Products

    (16 results)

All Other

All Publications (16 results)

  • [Publications] 井上 正仁: "コンピュータ・ネットワークと犯罪捜査(1)"法学教室. 244号. 49-66 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 井上 正仁: "コンピュータ・ネットワークと犯罪捜査(2)"法学教室. 245号. 49-58 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 笹倉 宏紀: "フロッピーディスク等につき内容を確認せずに差し押さえることが許されるとした事例"ジュリスト. 1191号. 80-86 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 井上正仁, 池田公博: "コンピュータ犯罪と捜査"ジュリスト増刊・刑事訴訟法の争点(3版). 88-91 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Michael Sussmann, Masahito Inouye et al.: "Crimes Related to the Computer Network-Search and Seizure : Obtaining Data within a Networked Environment"UNITED NATIONS ASIA AND FAR EAST INSTITUTE FOR THE PREVENTION OF CRIME AND THE TREATMENT OF OFFENDERS, THE GLOBAL CHALLENGE OF HIGH-TECH CRIME. 33-68 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Masahito Inouye: "Konpyuta Nettwaaku to Hanzai Sosa (Criminal Investigation in Computer Network) (1), (2)"HOGAKU KYOSHITU. No. 244, No.245. 49-66, 49-58 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hiroki Sasakura: "Furoppi Disuku no Hokatsutek't Sashiosae (Comprehensive Seizure of Floppy Disks)"JURIST. No.1191. 80-86 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Masahito Inouye and Kimihiro Ikeda: "Konpyuta Hanzai to Sosa (Investigation of Computer-related Crimes)"KEIJISOSHO-HO NO SOTEN. 3d. Ed. 88-91 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Michael Sussmann, Masahito Inouye et al.: "Crimes Related to the Computer Network―Search and Seizure : Obtaining Data within a Networked Environment"UNITED NATIONS ASIA AND FAR EAST INSTITUTE FOR THE PREVENTION OF CRIME AND THE TREATMENT OF OFFENDERS, THE GLOBAL CHALLENGE OF HIGH-TECH CRIME. 33-68 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 井上正仁: "コンピュータ・ネットワークと犯罪捜査(1)"法学教室. 244号. 49-66 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 井上正仁: "コンピュータ・ネットワークと犯罪捜査(2・完)"法学教室. 245号. 49-58 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 笹倉宏紀: "フロッピーディスク等につき内容を確認せずに差し押えることが許されるとされた事例"ジュリスト. 1191号. 80-86 (2000)

    • Related Report
      2001 Annual Research Report
  • [Publications] 井上正仁, 池田公博: "コンピュータ犯罪と捜査"ジュリスト増刊・刑事訴訟法の争点(3版). (予定). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 井上正仁: "コンピュータ・ネットワークと犯罪捜査(1)"法学教室. 244号. 49-66 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] 井上正仁: "コンピュータ・ネットワークと犯罪捜査(2)"法学教室. 246. 49-58 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] 青山義充,井上正仁: "法と裁判"放送大学教育振興会. 182 (2000)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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