Computer crime, or Cybercrime, refers to any crime that involves a computer and a network. The computer may have been used in the commission of a crime, or it may be the target. Digital forensics encompasses the recovery and investigation of material found in digital devices, often in relation to computer crime.
Everything you do on the computer leaves a trace. These traces can tell a lot about a crime, and could eventually lead to a suspect. On this website I have compiled a list of several usefull tools which will help in an investigation.
This list is not comprehensive. If you are interested in digital forensics i recommend the following websites: