YOU SAID:
The killer is... you!
INTO JAPANESE
殺人犯は...あなた!
BACK INTO ENGLISH
Is the murderer. You are!
INTO JAPANESE
殺人。あなたは!
BACK INTO ENGLISH
Murder. You!
INTO JAPANESE
殺人。あなたが!
BACK INTO ENGLISH
Murder. You!
That didn't even make that much sense in English.