Leola Brown, dressed in the butter yellow ensemble complete with matching ace bandage, says Whitney Houston's death was NOT accidental during an interview with Access Hollywood. Leola says the cause of death, was more sinister than the media knows. Watch clip!

"I believe Whitney's death was not accidental. No."

She refuses to speculate about who she thinks is responsible, but added: "My attorney has advised me not to get into that at all, but, it's very important to know that she did not just pass away like that. No. And if it's the last thing that I do, I'm going to find out what truly happened to my sister."