So the matter became known to Mordecai, who told Queen Esther, and Esther informed the king in Mordecai's name.
Esther 2:22
Surrounding context
2:21 In those days, while Mordecai sat within the king's gate, two of the king's eunuchs, Bigthan and Teresh, doorkeepers, became furious and sought to lay hands on King Ahasuerus.
2:22 So the matter became known to Mordecai, who told Queen Esther, and Esther informed the king in Mordecai's name.
2:23 And when an inquiry was made into the matter, it was confirmed, and both were hanged on a gallows; and it was written in the book of the chronicles in the presence of the king.