(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.
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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.
Police say the theft was "sophisticated and orchestrated", and that no-one at the university is implicated.