[Unfortunately, there's not a really hopeful answer he can give here. He sits back in his chair, shifting his feet a fraction on the floor, shaking his head.]

We don't know what causes it. Deviants that we've caught so far have been taken apart to search for malfunctioning biocomponents or errors in programming, but nothing has been identified yet.

[A tiny frown creases his brows.]

A lot of them have been damaged or destroyed in the process of capturing them. Deviants are prone to self-destruct. And there was one - it struck its head against the cell's window until it destroyed itself.