Huh, that was interesting. Archer must know he and Lyra were snooping, or at least it was a good bet that he did, and he knew Rosario was probing too, and we encouraging it. So what was the endgame? Just to goad them into chasing their tails?
"There's a good chance his parents don't even exist in the way we think they might," he said, just to remind them all that he didn't think Archer was entirely human. "I just want one single recent photo of them. Just one."