12.1 INTRODUCTION.12.2 SELF-REPORTED MOTIVATIONS.12.3 PSYCHOLOGICAL PERSPECTIVES ON COMPUTER CRIME.12.4 SOCIAL DISTANCE, ANONYMITY, AGGRESSION, AND COMPUTER CRIME.12.5 INDIVIDUAL DIFFERENCES AND COMPUTER CRIMINALS.12.6 ETHICS AND COMPUTER CRIME.12.7 CLASSIFICATIONS OF COMPUTER CRIMINALS.12.8 SUMMARY AND CONCLUSIONS.12.9 NOTES