Esther 6:2

King James 3 - The Literal Traslation

And it was found written that Mordecai had told of Bigtha and Teresh, two of the king’s eunuchs, the guards of the threshold, who sought to stretch forth a hand against King Ahasuerus.

Cross References

Ezra 4:6

even in the reign of Ahasuerus, in the beginning of his reign, they wrote an accusation against those living in Judah and Jerusalem.

Esther 6:3

And the king said, What honor and dignity was done to Mordecai for this? And the king’s servants of his ministers said, Not a thing has been done for him.