YOU SAID:
I murdered someone because of monopoly
INTO JAPANESE
私は独占のために誰かを殺害した
BACK INTO ENGLISH
I killed someone for monopoly
INTO JAPANESE
誰かを独占で殺した
BACK INTO ENGLISH
Killed someone exclusively
INTO JAPANESE
排他的に誰かを殺した
BACK INTO ENGLISH
Killed someone exclusively
That didn't even make that much sense in English.