Amanda became a psychopath for the first and only time in her life at the very same moment a known knife carrying, wall climbing, rock throwing, glass breaking, trespassing, burglar was drenching himself in Meredith's blood, and imposing himself in her body.
Year after year, day after day, she's just Amanda the soccer player, Amanda the honor student, Amanda the bad guitar player. And then one night, for one hour, while the blood of Meredith flows over Rudy's hands, pants, and shoes, Amanda transforms into Ted Bundy. Rudy is a transformative figure, Amanda may as well be him. I think on a certain level, the PGP do not believe in Rudy. He doesn't exist for them. Far beneath their own conscious thoughts, down in their most primal instinctual comprehension, where Rudy should be, Amanda is. She's the only one there, standing over Meredith's lifeless body, holding the knife. Nothing will ever penetrate this.