Caitlin: I think I can stabilize his cells if I had a sample of his DNA from prior of when he was exposed to the dark matter.
Barry: Why? So he can go out and start hurting people like our other friends here? I think we should lock him up in the pipeline.
Caitlin: He hasn't done anything!
Barry: Yet, trust me. I know this guy, he is a bad guy.
Caitlin: Barry, I took an oath to help people. I'm a doctor, I can't just leave him there to be like spaghetti.