I am, [he says darkly, something shifting behind his eyes that makes it clear just where the Hulk had come from.]

I'm not having any luck. I'm not an-- investigator. And when they were resurrected it was in new clone bodies, so there, there isn't any DNA to sample.

[Bruce hates being at a dead end. Feeling useless to protect those few he's decided to protect explicitly. But he doesn't know what else he can do, except wait for another murder.]