Ibitsu-Na-Koi-No-Seesaw-Kashima-Chiaki-Eng

Plot: Inspector Sudo is known for always succeeding in retriewing the items stolen by the notorious thief Grey, a master of disquise, who is able to steal the goods even though he sends the police a notice on what he intends to steal beforehand. How is Sudo able to get the stolen items back from this evasive burglar?