Part 1 - This article provides a case study of digital forensics, and investigates incriminating evidence using a user's web browser history.
Part 2 - Part 2 of this web browser forensics series looks at reconstructing Mozilla Firefox' cache in order to catch an internal hacker using an administrator's account.

Quote:
Electronic evidence has often shaped the outcome of high-profile civil law suits and criminal investigations ranging from theft of intellectual property and insider trading that violates SEC regulations to proving employee misconduct resulting in termination of employment under unfavorable circumstances. Critical electronic evidence is often found in the suspect's web browsing history in the form of received emails, sites visited and attempted Internet searches. This two-part article presents the techniques and tools commonly used by computer forensics experts to uncover such evidence, through a fictitious investigation that closely mimics real-world scenarios.