YOU SAID:

I have killed many men.

INTO JAPANESE

私は多くの人を殺しました。

BACK INTO ENGLISH

I killed many people.

INTO JAPANESE

沢山の人間を殺してきた

BACK INTO ENGLISH

I've killed many people.

INTO JAPANESE

沢山の人間を殺してきた

BACK INTO ENGLISH

I've killed many people.