"Evil"

I have waged a private struggle the past week re whether I should mention this incident.

Admittedly, this story deserves wide notice, and yet I dislike publicizing violence, especially an act as 'evil' as is this one. Truthfully, I do not understand how one person does this to another, how a man does this to a woman (or girl), and (arguably) worst, how a father does this to his daughter.

So the quest to understand wins over discretion. Please help me to understand how horrible, horrifying incidents of this type can, and do, occur...