[Zenigata is 150% BAFFLED by Lupin's behavior. This is some new level of absolute MADNESS that the thief has stooped to. Or...its a really screwy experiment. The failed filter to Fujiko alone is a clue, but when he actually SEES Lupin wandering around town he can't help but follow, staying out of sight until he finally gets annoyed and stalks up]
Lupin, what the hell are you playing at? You lost yer marbles?
[Action]
Lupin, what the hell are you playing at? You lost yer marbles?