"But you know what synths are?" he said with eyes widening slightly and a tilt of his head. Were they from the same place then? He was under the impression that everyone here was from a different dimension. At least, that's what the Ferryman implied.

That would make things interesting, to have someone from his world here. But the addition that synths in Malcolm's world didn't have bodies certainly punched a hole in that theory. Perhaps the word meant something different to Malcolm.

"...What do you know of us?"