YOU SAID:
I killed the presidents son
INTO JAPANESE
私は大統領の息子を殺しました
BACK INTO ENGLISH
I killed the president's son
INTO JAPANESE
大統領の息子を殺した
BACK INTO ENGLISH
Killed the president's son
INTO JAPANESE
大統領の息子を殺した
BACK INTO ENGLISH
Killed the president's son
That didn't even make that much sense in English.