Knowing what Derek does of Barry's past, it's easy for him to see why this case might be particularly difficult for him. Derek's brow furrows and he leeches the pain from Barry's body, feeling the brief echo of a headache before it all fades away.

"That's awful," he says quietly, pulling over a chair and dropping gracefully into it. He presses his knee to Barry's and reaches out to take his hand, wishing not for the first time that he was better with his words. But sometimes unspeakably terrible things happen, things that have nothing to do with super powers or magic. Humans, Derek's found, can sometimes be terrible all on their own. "Is the guy in custody?"