YOU SAID:

when i find out who killed my son he will go to jail

INTO JAPANESE

息子を殺した人物がわかったら、その人は刑務所に行くことになるだろう

BACK INTO ENGLISH

If they find out who killed my son, they'll go to prison.

INTO JAPANESE

息子を殺した犯人が分かれば、その人は刑務所行きになるだろう。

BACK INTO ENGLISH

If they find out who killed my son, they'll go to prison.