Different forensics analysis techniques are appropriate for different cybercrimes. For example, suspected criminal activities conducted via volatile chatrooms might require real-time monitoring to collect useful information. In the following scenario, which type of forensics analysis technique or techniques might be used, and why?

The Federal Trade Commission disclosed a lawsuit against unknown credit card fraudsters. In this case, 15 Internet-based companies were managing "money mules," for example, people who transfer stolen goods or money from one country to another. The money mules were recruited via spam e-mail messages.

Could I get help analyzing what kind of digital forensic techniques I can use.