Worm traps alleged child porn offender | Tech News on ZDNet
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An alleged child porn offender in Germany turned himself in to the police after mistaking an e-mail he received from a computer worm for an official warning that he was under investigation, authorities said on Tuesday.

“It just goes to show that computer worms aren’t always destructive,” said a spokesman for police in the western city of Paderborn. “Here it helped us to uncover a crime which would otherwise probably have gone undetected.