If It Was An Animal, You'd Put It Down...

"He has a number of serious medical conditions; PTSD as a consequence of systematic and prolonged abuse as a child, ADHD, he left school without qualifications. He has an acute personality disorder for which he's on medication. He has two children with whom he has a close relationship and when not in prison he cares for them and his poorly parents."

...but we can't even put it behind bars for long enough to keep people safe.