 It is revealed that impostor Abner first met Sarah in the park, where she kills a bird.Impostor Abner had been “training” Richard to keep Sarah safe this whole time, and Richard is seen hiding Thomas's body in the same place impostor Abner hid the coffee shop worker's body.Sarah is seen in the car placing Thomas's glasses in a bag as a keepsake, and in the same bag there is a silver ring, presumably her mother's.