Omni 1:15

Behold, it came to pass that Mosiah discovered that the people of Zarahemla, came out from Jerusalem, at the time that Zedekiah, king of Judah, was carried away captive into Babylon.

Mosiah learned that the people of Zarahemla had come from Jerusalem when Zedekiah, king of Judah, was taken prisoner to Babylon.

Mosiah learned that the people of Zarahemla had left Jerusalem when Zedekiah, king of Judah, was taken captive to Babylon.