(BBC News) The police investigation into the so-called "ClimateGate" affair is over.
Norfolk Constabulary says there is no realistic prospect of finding the culprit within the statutory time limit of three years since the 2009 offense.
The theft and release of e-mails from the University of East Anglia Climatic Research Unit provoked a huge furore over the integrity of climate science.
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Police say the theft was "sophisticated and orchestrated", and that no-one at the university is implicated.