The FBI has released a file on the death of Kurt Cobain.
For decades, the US authorities withheld a file on the rock icon, who took his own life in 1994.
However, the agency has now released a 10-page document on Cobain, which shows the efforts made by some to have the FBI investigate the tragic event, apparently due to fears in some quarters that there had been foul play.
One of the letters sent, dated 24 September 2003, urged agents to act, claiming there were 'inconsistencies' surrounding the Nirvana frontman's death.
It read: "I believe a great injustice might have been committed in the case of Kurt Cobain.
"I'm writing you in hopes for your help to press for a reexamination of Mr. Cobain's death.
"Millions of fans around the world would like to see the inconsistencies surrounding the death cleared up once and for all.
"It is sad to think that an injustice of this nature can be allowed in the United States."
Another from 2007 reads: "The police who took up the case were never very serious in investigating it as a murder but from the beginning insisted on it being a suicide."
The file also includes the replies sent by the FBI to those who had been in touch, with each of them receiving almost the exact same message.
Sadly for those who had tried to encourage the agency to open a formal investigation into Cobain's passing, they were unsuccessful.
The FBI's response says: "We appreciate your concern that Mr. Cobain may have been the victim of a homicide.
"However, most homicide investigations generally fall within the jurisdiction of state or local authorities.
"In order for the FBI to initiate an investigation, of any complaint we receive, specific facts must be present to indicate that a violation of federal law within our investigative jurisdiction has occurred.
"Based on the information you provided, we are unable to identify any violation of federal law within the investigative jurisdiction of the FBI.
"We are, therefore, unable to take any investigation action in this case."
The file then ends with a fax that Cosgrove/Meurer Productions (CMP) had sent to the FBI back in January 1997.
CMP is the company behind Unsolved Mysteries, which produced an episode about Cobain and his death in February of the same year.
The fax reads, "At least one investigator, Tom Grant, a Los Angeles based private investigator and former LA County Sheriff's deputy, is convinced that the official ruling of suicide was a rush to judgment."
Speaking to Rolling Stone Magazine about the fax, Terry Meurer, the co-founder of CMP, said: "We reach out to the FBI for various stories and try to get information on them, so that was a typical communication."
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