"It's also the name of a child who uses another name. I highly doubt...-" She starts off upset but ends up trailing off as pieces start to slowly click into place.

Kaito's own secrets tied with Conan's, who's a child detective, but with another name than what the roster said. Now this person showed up, had the same name and knew Kaito, though didn't think much of him? Or at least didn't care for the resemblance.

She deadeyes him. There are an awful lot of things she could say, but eventually, Eva settles on: "Sit down, detective, and start explaining and don't say secrets."