Esther 3:2

3:2 As a result, all the king’s servants who were at the king’s gate were bowing and paying homage to Haman, for the king had so commanded. However, Mordecai did not bow, nor did he pay him homage.

Esther 7:9

7:9 Harbona, one of the king’s eunuchs, said, “Indeed, there is the gallows that Haman made for Mordecai, who spoke out in the king’s behalf. It stands near Haman’s home and is seventy-five feet high.”

The king said, “Hang him on it!”