Whitney Houston was murdered, according to claims by private investigator Paul Huebl published in the National Equirer.

The Hollywood detective has allegedly uncovered evidence - including CCTV footage - that points to her being the victim of an attack by two men who were sent to collect a debt for drugs.

The troubled "Bodyguard" singer, who died on February 11 2012 at the Beverly Hilton, is said to have owed in excess of $1.5 million to dangerous dealers before her shock death in Los Angeles.

“I have evidence that points to Whitney being a victim of high-powered drug dealers who sent thugs to collect a huge debt she owed for drugs,” he told the tabloid.

He also believes that despite a coroner's report that claims there was no foul play involved, the signs on her body tell a different story.

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“Whitney’s body shows classic defense wounds that would have occurred while she was battling for her life,” he said.

Huebl claims to have discovered the new information through a network of informants and says he is now handing the evidence over to the FBI in an attempt to have the case reopened.

Go to The Sun for more details from the report.