the theater was a site of a memorial after her death, a death sam knows all too well was tough to prevent. if they want it, they re going to get it. don, you have enablers. don t have parents. they know that their child is doing it. that person is the cash cow. so what are they going to say? sam s wife, joyce, believe s whitney s own family helped fuel her habit. members in whitney s family, immediate and extended, that had their problems with drugs. the family declined to comment and did not response to our questions about these claims. whitney s mother, gospel singer sissy houston talks about her daughter s drug use in remembering whitney. whitney s brother, michael, talked about it with oprah winfrey when he and his mother gave their first interview since whitney houston s death. you played together.