Michael Jackson’s death has been a cause of controversy ever since the pop icon died of an overdose of the sedative propofol in 2009, in the lead-up to an unprecedented global tour.

But while the doctor who administered the drug that took his life was convicted of involuntary manslaughter and served a four-year jail sentence, many believe that the King of Pop was murdered – including, if new evidence is to believed, Jackson himself.

As The Sun reports, German businessman and long-time friend of Jackson’s Michael Jacobshagen has revealed handwritten messages by the singer, claiming he feared for his life.

“I’m afraid someone is trying to murder me,” one note reads, while another asserts “the system wants to kill me for my catalogue”.

Another of the notes makes specific direct reference to the promoters running the worldwide tour the star was in rehearsals for at the time of his death, a tour that some speculated would be too taxing a schedule on the 50-year-old performer.

“AEG makes so much pressure to me. I have a bad feeling. I’m scared about my life. Call Joseph tomorrow.”

Michael Jackson’s daughter Paris spoke to Rolling Stone earlier this year, labelling his death “a setup”.

“It sounds like a total conspiracy theory and it sounds like bullshit, but all real fans and everybody in the family knows it,” Jackson said in January.

Jacobshagen revealed the notes to well-known interviewer Daphne Barak, who has interviewed Jackson in the past along with political figures including Nelson Mandela, Hillary Clinton and Donald Trump, and she will now conduct an interview with Jacobshagen himself.

“Jacobshagen approached me earlier this year,” Barak says. “He was eager to talk about the Michael Jackson he had known. He insisted to meet with me because of my previous interviews with Jackson and his parents.

“Jacobshagen kept writing to us and said that he had handwritten notes of the late star, never seen before. Some were written in 2009, before his tragic death.

“So we agreed to meet with Jacobshagen, film his account and look at the notes.”

The notes have all been published in full on The Sun.