That's rude.

[He gives her a sideways glance at her remark.]

And what are you going to do? Call the cops? It'll be too late, the knife they used would have already been cleaned or disposed of by the time they get here.

[He looks at the body again from where he sat, noticing the bulge of trauma on his head.]

Oh? It looks like he could have been bludgeoned too. Hmmm, interesting. This might be worth my time after all.