Nancy was picked for a reason.
Kidnappers would normally probably prefer to snatch a kid or young woman.
Somebody might have seen Nancy watching the Today Show, seen Savannah come to the house, seen Savannah eating with Nancy at a restaurant, overhead Nancy talking to Savannah over the phone, etc.
“Somebody might have seen Nancy watching the Today Show, seen Savannah come to the house, seen Savannah eating with Nancy at a restaurant, overhead Nancy talking to Savannah over the phone, etc.”
About a week ago it was reported that Savannah was blaming herself. She had had her mother on The Today Show often as a guest, and that might’ve brought attention to her. So there’s no mystery about their relationship.