A discrepancy between Kurt Cobain's official death certificate and autopsy report has been identified decades after the Nirvana frontman's death, raising questions about the accuracy of the documentation surrounding one of the most scrutinized deaths in music history.

Cobain was found dead at his Seattle home on April 8, 1994, at the age of 27. The Seattle Police Department ruled his death a suicide, citing a recovered suicide note and heroin kit. His death certificate, signed the following day, described his fatal injury as a "contact perforating shotgun wound to head," indicating the blast entered and exited his skull.

However, the autopsy report, finalized in June 1994, stated Cobain died from a "contact penetrating shotgun wound to the head," suggesting an entrance wound but no exit wound. The autopsy noted that approximately 30 lead pellets and a shotgun-shell wad were recovered from his brain, consistent with the projectile remaining inside his skull.

Forensic pathologist Mary Jumbelic, who reviewed the records, told the Daily Mail that the term "perforating" on the death certificate constitutes an error in forensic terminology. She noted that "perforating" and "penetrating" have distinct meanings when describing firearm injuries. The autopsy's description of a "penetrating" wound aligns with the evidence of pellets found within Cobain's skull.

Jumbelic also identified a second terminology error in the autopsy report's description of a "1 1/2 inch gunshot wound entrance defect," despite the weapon being a shotgun. She explained that "shotgun" and "gunshot" are not interchangeable terms in forensics, referencing distinct types of firearms.

The autopsy finalized in June 1994 documented an entrance wound with no exit and recorded that shotgun pellets and shell wadding were recovered from inside his head

Independent researcher Michelle Wilkins, who re-analyzed the case with a team of forensic scientists, shared the reports. The discrepancy appears to stem from the timing of the document finalization. Death certificates are typically signed shortly after initial findings, while comprehensive autopsy reports can take months to complete pending further testing.

In Cobain's case, the death certificate was signed on April 9, 1994, one day after his body was discovered, while the full autopsy report was not finalized until June. Jumbelic suggested the errors were likely due to "human or typist error and incomplete double-checking of information."

The amendment section of Cobain's death certificate was left blank and was never updated following the release of the autopsy findings. Public Health – Seattle & King County stated that they could not discuss investigative details or autopsy records beyond next of kin, citing Washington State law. The Washington State Department of Health has been contacted for comment.