[She nodded and tapped at her phone for a moment before pulling up a set of photos. They were blurred and unclear. The creature had been good at avoiding a clear shot, but it was obviously monstrous. Limbs were reminiscent of humanity, but it was like the thing was mishapen, twisted, almost as if you'd used the parts of a human but forgotten how to put it together. Pity she hadn't gotten a real clear view.]

This was one of the second stage of their growth. I have not seen the first or latter, except in footage. The young look like violent children, and are supposed to be extremely fast.