The BAI catches an unsub that was torturing and killing his victims with the help of his daughter

INT. OBSERVATION ROOM

Hotch, Prentiss, Reid, Morgan, JJ, and Rossi watch. The air is heavy. Tense.

*The door opens behind them. Mrs Calloway enters. She’s pale. There’s a strange detachment in her voice—like she’s already buried the version of her daughter she once knew.

JJ: Mrs. Calloway, we need to talk about Natalia’s involvement. If there’s anything you can—

Mrs Calloway: slowly, interrupting Natalia doesn’t cry.

Everyone turns. She’s not looking at them—she’s watching her daughter.

Mrs Calloway: She never did. Not when the dog died. Not when I left her alone with him the first time. Not when she saw what he did in the garage.

beat

She liked it. The way he hurt them. The way he looked at her, waiting for her approval.

whispers, like it’s a secret She smiled, Agent Hotchner. After the second one… she smiled.