Who else could she be?

After staring at Sabrina's rigid back for some minutes, Rita stood up and walked toward Sabrina slowly. Rita stopped a few paces away and announced, "I don't want to hide it from you anymore. Connor is not your biological father."

White noise filled Sabrina's ears and her vision went blurry for a moment. When the world came into focus again, Sabrina turned around to face Rita and growled, “You don't have to try any more tricks.

Even if you tell me that my father is the president, I won't forgive Brady."

Smiling faintly, Rita gave Sabrina a once-over and replied, “Sabrina, I'm telling the truth.”