Doctor Prescribed Prince Medication Just Days Before His Death

More than a dozen cars led by investigators entered Paisley Park on Tuesday evening, as investigators executed a search related to the investigation of Prince's death, CBS Minnesota reported.

Schulenberg told authorities he arrived at Paisley Park the morning of Prince's death to deliver test results, according to the search warrant affidavit obtained by the Los Angeles Times.

Kornfeld wasn't able to rush to Minneapolis April 21, but planned to fly out the following day and instead sent his son, Andrew Kornfeld, who works with him, to the Paisley Park compound to evaluate the singer's health and devise a treatment plan. It was Andrew who called 911 and had the buprenorphine pills in his backpack, his lawyer said.

A Minnesota physician questioned by investigators in Prince's death is an experienced family care physician who until recently worked for a Twin Cities health care system.

A law enforcement official has told The Associated Press that investigators are looking into whether Prince died from an overdose and whether a doctor was prescribing him drugs in the weeks before he was found dead at his home in suburban Minneapolis.

The Carver County, Minnesota, Sheriff's Office and several other detectives have revisited Prince's Paisley Park estate as part of their ongoing investigation. Schulenberg worked for Ridgeview Medical Center, which operates the Two Twelve, until August of 2014, though its unknown if he worked at Two Twelve when Prince was treated there.

The warrant seeks Prince's medical records at North Memorial Medical Center in Robbinsdale, MN.

The website said Schulenberg prescribed Percocet to Prince before his death using his real name, Prince Rogers Nelson.

After Prince returned to Minneapolis, he went to Walgreen's four times to fill prescriptions over the next week, TMZ said. Reports have stated Prince made an emergency landing in Moline, Illinois after an Atlanta concert because of the flu he had been battling. Meanwhile, Schulenberg himself has not issued a statement about Prince's death.

The warrant also doesn't say anything about the prescription painkillers that Prince had reportedly been using and whether Prince was being treated for opioid dependency.

Unidentified sources told KSTP-TV last week that the music legend had Percocet in his system when he died as well as a dangerously low red blood cell count.

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