YOU SAID:

I search for men that have killed other men.

INTO JAPANESE

私は他の男性を殺した男性を探します。

BACK INTO ENGLISH

I will look for a man who killed other men.

INTO JAPANESE

私は他の男性を殺した男を探すでしょう。

BACK INTO ENGLISH

I will find a man who killed other men.

INTO JAPANESE

私は他の男性を殺した男を見つけるでしょう。

BACK INTO ENGLISH

I will find a man who killed other men.