Esther 7:5

So King Ahasuerus answered and said to Queen Esther, "Who is he, and where is he, who would dare presume in his heart to do such a thing?"

Surrounding context

7:4 For we have been sold, my people and I, to be destroyed, to be killed, and to be annihilated. Had we been sold as male and female slaves, I would have held my tongue, although the enemy could never compensate for the king's loss."

7:5 So King Ahasuerus answered and said to Queen Esther, "Who is he, and where is he, who would dare presume in his heart to do such a thing?"

7:6 And Esther said, "The adversary and enemy is this wicked Haman!" So Haman was terrified before the king and queen.

Translation and sources