Finding a Culprit

Dear Dr. Cal Segall, Sophia's symptoms are worse than they were two months ago, even though she goes for a walk every day like you ordered. Recently, Sophia has been harming herself. It started with her hacking off her hair... but now she's slicing at her face with a razor. I fear one day my little angel will be covered with scars. I have discovered what made her this way, and it involves the death of Sophia's mother, my wife Donna Green. It's hard to talk about, but the two were out one day when they were accosted by a group of people, if I could even call them people. Donna died shielding Sophia from them. I feel so useless, all I could do was arrange a funeral for Donna. And from then on, Sophia's helplessness and remorse became more and more intense. I don't know what to do to get God to return the old Sophia to me. She used to be so lively and cheerful, all the workers on the farm loved her. But now...