05/17/2012 08:59 am ET Updated Jul 17, 2012

Raffles Van Exel, Whitney Houston's Alleged Drug Supplier, Threatening Legal Action

One of Whitney Houston's close friends -- a mysterious man who's been widely accused of supplying the singer with coke before her death -- is declaring war on media outlets that ran with the drug story ... and now, he's on a crusade to clear his name.

The friend -- an enigmatic celebrity sidekick named Raffles van Exel -- tells us, he is "neither the architect nor the culprit of the sudden demise of Whitney Houston."

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