Zerozaki4869 wrote:It doesn't predate Bourbon arc at all.
The examples that you've furnished are somehow lapses of Conan, not someone using deductive reasoning to find Conan's identity.
On my counter I can suggest you the Vermouth arc, where the villain was right before Conan and Sherry.
So this bad guy is distant is a plot armour which was unknown to us before Bourbon arc.
Of course he slipped up—in this case, his screw-ups and the deductions of others go hand in hand. In other words, they're not mutually exclusive. In the case of Rumi, he's already erred by showing her his tranquilizer watch
, of all gadgets.
And when did that villain make their move? Only when she actually made contact with Shiho/Ai—nearly 200 Files into the arc. See, the key is not just that Rumi has such sustained proximity to one of them—with Vermouth being close to Shinichi/Conan, as Dr. Araide, for basically the entire Vermouth arc—it's that she's had sustained proximity to both. She didn't find Sherry until the end of the arc, like Vermouth—she found her immediately.
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