who did that
Who do you think did this?
Who did this yesterday?
But who did this?
I'll find out who did this.
Tu sais ce que c'est, un musicien génial, certes, qui a fait ça pour bouffer ?
You know what that is? A brilliant musician, sure, who did it to make a living?
— Marche à l'ombre (1984)
Je trouverai la personne qui a fait ça.
I will find the person who did this.
Do you know who did this?