YOU SAID:
Alex is a serial killer who kills stupid people
INTO JAPANESE
アレックスは愚かな人を殺す連続殺人犯だ
BACK INTO ENGLISH
Alex is a serial killer who kills a foolish person
INTO JAPANESE
アレックスは愚かな人を殺す連続殺人犯だ
BACK INTO ENGLISH
Alex is a serial killer who kills a foolish person
That didn't even make that much sense in English.