(INTELLIHUB) — The late artist formerly known as Prince was found to have Percocet in his deceased body, lab tests from an autopsy show.

“Percocet contains a combination of acetaminophen and oxycodone. Oxycodone is an opioid pain medication. An opioid is sometimes called a narcotic. Acetaminophen is a less potent pain reliever that increases the effects of oxycodone,” according to Drugs.com.

As of now it’s unknown if the pills directly killed him or if they only contributed to his death.

Now investigators are questioning the source of the painkillers and are planning to possibly hold someone accountable.

On April 15th, a few days before Prince’s death, the rock star’s plane made a deviation in his scheduled flight itinerary to get treated for an overdose where, according to the Star Tribune, “medics in Moline gave him a dose of naloxone, or Narcan, to counteract the opioids.”

Prince, 57, was found dead in the elevator of his studio in Paisley Park on April 21.

Prince was reportedly taking the pills to alleviate pain he may have endured as a performer.

WND.com reported:

“As revealed in a recent report from the Centers for Disease Control and Prevention, in one recent year “approximately 27,000 unintentional drug overdose deaths occurred in the United States, one death every 19 minutes.”

“Prescription drug abuse,” announced the CDC, “is the fastest growing drug problem in the United States.”

The skyrocketing rate of drug-overdose death rates “has been driven,” says the report, “by increased use of a class of prescription drugs called opioid analgesics” – drugs like hydrocodone (brand names Norco, Vicodin), hydromorphone (Dilaudid, Exalgo), oxycodone (OxyContin, Percocet) and morphine (Astramorph, Avinza).”