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             Internet users in the U.S. reached 65 million in 1998, over 100 million in 1999, and are expected to exceed 200 million this year (Penzol, 1999). The vast majority of communication and commerce conducted via the Internet is for lawful purposes. However, the Internet is increasingly utilized to perpetrate crimes. Just as prior technological advances have brought dramatic improvements for society, they have also created new opportunities for wrongdoing. The unique challenges facing law enforcement in addressing cyber crime revolve around the nebulous nature of cyber crime. The initial stages of a cyber crime investigation involve a high degree of uncertainty. It is often difficult to quickly identify and assess what type of crime, if any, has been committed. The legal system is all too often several steps behind and sometimes offers little in the way of options. Contrast this with a more traditional crime in the physical world such as a bank robbery. When a subject walks into a bank with a gun and demands money, the type of crime being committed is abundantly clear to everyone. Moreover, in a bank robbery, there are typically a number of physical types of evidence such as fingerprints, shoe impressions, surveillance video and/or photographs, money taken, and several witnesses. Often, little or none of this are available after the commission of an on-line crime. What little evidence is available in an on-line crime will usually not exist for long. Without an immediate response by skilled cyber investigators, it will often be forever lost (Kubic, 2001). The Internet presents new and significant investigating challenges for law enforcement at all levels. These challenges include: the need to track down sophisticated users who commit unlawful acts on the Internet while hiding their identities; the need for close coordination among law enforcement agencies; and the need for trained and well-equipped personnel to ga...