[Up goes the chin, his eyes narrow. It's rather instinctive. He knows that look so Chilton gets the first sign of rising walls in return.]

I needed his attention. If I didn't have it, he could...turn into a condor and all that time spent tracking him down would be wasted. [Simple, really, an old, tired way of doing things that still proved effective. Like taking a shower to get clean, only with more blood involved.] And I liked killing.

[Masterful use of the past tense.]