Who is Stephanie Morgan from 24 Hours and what is their importance?

Junior League member, Stephanie Morgan, is assisting Karen with the flower show scheduled for a day or so after the kidnapping. She arrives at Karen's home minutes after Karen learns her daughter has been kidnapped, but Karen makes her excuses and manages to bluff her way out of the situation and sends Stephanie home. Unfortunately, Stephanie back the next day, just as Karen and Hickey are leaving to approve the transfer of the ransom. Karen once again tries to get Stephanie to leave, but she doesn't get the hint. Stephanie's hesitation results in her death.