A computer programmer was found slumped over his keyboard, electrocuted. His desktop tower was open, with tools scattered around. The police initially called it a tragic accident during a hardware upgrade. Detective Greene checked the computer's internal clock and arrested the roommate. What did the clock reveal?
Active processes
The system logs showed heavy computational tasks and file transfers occurring *after* the estimated time of electrocution, proving someone was actively using the computer post-mortem.
About this riddle
Detective riddles are tiny mysteries. Look for the detail in the story that does not fit; it is usually the clue that solves the case.
Difficulty: Hard. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
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