Diane has a tense and uneasy relationship with her daughter Tori that escalated to Diane framing her own daughter for killing one of the Edison Group's employees as a means of keeping Tori under her thumb.
Diane makes a reappearance during the events of the short story Facing Facts. Following her death she is a ghost who has been watching Chloe Saunders from across the veil. Despite Chloe being responsible for her death, as well as raising her as a zombie to kill Dr. Marcel Davidoff , she wants to 'work with' Chloe. Chloe realizes that what she really wants is to frighten and manipulate her into doing whatever she wants. At the end of Facing Facts she is banished by Chloe who promises to have found a way to permanently banish her by the next time she shows up.