Associates at Paisley Park told investigators that Prince had been "going through withdrawals, which are believed to be the result of the abuse of prescription medication", according to an affidavit unsealed in state court past year.
The morning of Prince's death, deputies rushed to Prince's Paisley Park estate.
Just six days before he died, Prince passed out on a plane and an emergency stop was made in Moline, Illinois. Governor Dayton encourages Minnesotans across the state to wear purple on Prince Day in honor of the Purple One's enduring legacy. On Thursday, authorities in Minnesota released thousands of images taken during the investigation of the singer's death.
And Metz says he doesn't think the people around Prince knew it either.
Hearing Underway in NY on FBI Raid of President Trump's Attorney
The raids enraged Trump, who called them an "attack on the country". The White House has consistently said Trump denies either affair.
Prince met Dr. Michael Todd Schulenberg, a family care physician, twice in the month before his death, including the day before Prince was discovered unresponsive.
Schulenberg, who denies any liability, violated the Controlled Substances Act when he had illegally written a prescription for Prince in someone else's name, federal prosecutors said Thursday in official settlement documents obtained by ABC News. Schulenberg's attorney has disputed that.
"I've seen him in very frightening conditions after using drugs", O'Connor told police, adding: "He had been extremely violent to a number of women in his life, including myself, and several women were put in the hospital while Prince was under the effects of these medications".