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LAS VEGAS, NV - SEPTEMBER 22:  Recording artist Prince performs with singer Mary J. Blige onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.  (Photo by Isaac Brekken/Getty Images for Clear Channel)
LAS VEGAS, NV - SEPTEMBER 22:  Recording artist Prince performs with singer Mary J. Blige onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.  (Photo by Isaac Brekken/Getty Images for Clear Channel)

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    Prince investigators look for source of opioids

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Prince investigators look for source of opioids

Law enforcement officials have said that they are investigating whether or not someone within Prince's inner circle was supplying the pop singer with opioid painkillers. CNN's Stephanie Elam reports.

Prince investigators look for source of opioids

Law enforcement officials have said that they are investigating whether or not someone within Prince's inner circle was supplying the pop singer with opioid painkillers. CNN's Stephanie Elam reports.