88 Mahler Street.
Li Xin came alone to Christie's room. Although nothing had been moved, there were signs someone had been here!
Li Xin glanced around, threw the dice: there's a secret passage in the room.
Valid judgment, nine points.
If the Night Patrol has a secret base, it would best be near the Hex Bird Society, under the Moon God's protection while concealing appearances—sometimes the most dangerous place is the safest. Christie's proximity to the Hex Bird Society initially seemed for work convenience, but as the Night Patrol's captain, it might not be that simple.
Li Xin began searching and finally found a hidden door behind the kitchen cabinet. A dark passage appeared; he was overjoyed and immediately entered.
