I'm sure Anna and her mother had issues and that Anna was not fond of her mother. If I remember right, her stepfather kicked her out when she was a child because he didn't want her there. I'm sure that in itself caused a lot of pain.
She did allow her mother to take of Daniel for several years, so there must have been at least SOME feeling there, but maybe not much. I think HKS leeched on that issue and poisoned the already not good relationship with her mother beyond repair.
That's how I understand it as well. The feud arose over something to do with the stepfather.
According to Dannielynn's godmother -- Saturday Geraldo -- ANS had given Virgie a number she could call her at and HKS inteviened on that.... that Virgie asked this lady to stay close to ANS and not tick her or HKS off so she could get info for Virgie about ANS and the baby.... this lady said HKS gave out drugs like candy.