When the affair was investigated and found to be so, the men were both hanged on the gallows. And it was recorded in the book of the chronicles in the presence of the king.
This good service which Mordecai did to the government, in discovering a plot against the life of the king, is here recorded, because the mention of it will again occur to his advantage. No step is yet taken towards Haman's design of the Jews' destruction, but several steps are taken towards God's design of their deliverance, and this for one.
Commenting on Esther 2:21-23
And when inquisition was made of the matter, it was found out,.... That these two men had entered into a conspiracy to take away the king's life; full proof and evidence were given of it: therefore they were both hanged on a tree; Josephus (e) says they were crucified; but hanging was frequent among the Persians, as Grotius observes, and better agrees with the word...
MORDECAI, DISCOVERING A TREASON, IS RECORDED IN THE CHRONICLES. (Est 2:21-23) In those days . . . two of the king's chamberlains . . . were wroth and sought to lay hand on the king, &c.--This secret conspiracy against the king's life probably arose out of revenge for the divorce of Vashti, in whose interest, and at whose instigation, these eunuchs may have acted.
Commenting on Esther 2:21-23