Whitney Houston was as ... lost during long crack cocaine binges. Tina Brown, the sister of Whitney's ex-husband Bobby Brown, ...

Crack is wack ... Brown [Photo: Whitney Houston/Youtube] The grim images revealed drug-encrusted paraphernalia littering their filthy bathroom. "The truth needs to come out.

"She admired that I could stop," Crawford says of Houston. "She said ... "I wouldn't find out until years later that Whitney was behind those calls and often cried about my not being nearby ...