(BBC News) The founder of Insys Therapeutics John Kapoor has become the first pharmaceutical boss to be convicted in a case linked to the US opioid crisis.
A Boston jury found Kapoor and four colleagues conspired to bribe doctors to prescribe addictive painkillers, often to patients who didn't need them.
The former billionaire was found guilty of racketeering conspiracy for his role in a scheme which also misled insurers.
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Tens of thousands of deaths have been caused by opioid overdoses in the US.