[There's hesitation on Alucard's part. Lucifer, again. He knows she's mentioned him before, and it is very unlikely that the one he knows here is the one that's plagued Vanessa. But he still can't help but think of it.]

I don't know that my vision was but one only for my eyes. There was no one else there to witness.

...Though perhaps there is someone who could tell me as well.