The jerking of Angel's body wakes me a few hours later. She's speaking Arabic in her sleep, and she's obviously terrified. Suddenly, she sticks out her arms and her legs fly. Then the screams begin. I manage to turn on the light as I struggle to contain her. One of her hands goes to her face and she scratches a deep gouge down her cheek.

"It's me, Angel! I've got you! Wake up!"

She's beyond the sound of my voice as she continues to thrash out of control. From the corner ...