YOU SAID:
when the impostor shows acts of suspicion
INTO JAPANESE
詐欺師が疑惑の行為を示したとき
BACK INTO ENGLISH
When a fraudster shows suspicious behavior
INTO JAPANESE
詐欺師が疑わしい行動を示したとき
BACK INTO ENGLISH
When a scammer behaves suspiciously
INTO JAPANESE
詐欺師が不審に振る舞うとき
BACK INTO ENGLISH
When a scammer behaves suspiciously
You've done this before, haven't you.