1 Kings 16:21

for his sins which he sinned in doing that which was evil in the sight of Yahweh, in walking in the way of Jeroboam, and in his sin which he did, to make Israel to sin.

Now the rest of the acts of Zimri, and his treason that he did, aren't they written in the book of the chronicles of the kings of Israel?

But the people who followed Omri prevailed against the people who followed Tibni the son of Ginath: so Tibni died, and Omri reigned.

In the thirty-first year of Asa king of Judah began Omri to reign over Israel, [and reigned] twelve years: six years reigned he in Tirzah.