Sharia requires 4 male witnesses to the act of adultery to convict a woman. The requirement was intended specifically as a protection to women against false accusations of adultery.
I am not a fan of sharia, by any means. But there are plenty of perfectly good criticisms that don't require saying things that just aren't true.
http://blogs.tribune.com.pk/story/9484/rape-fallacies-of-the-four-witness-requirement/
So, under Sharia, what would it take to convict this monster and what would his punishment be?
And, under Sharia, what would be the proper disposition of the 12 year old girl?
Sharia requires 4 male witnesses to the act of adultery to convict a woman....Sounds like the barbarians only want a gang bang.