Helaman 4:22

and that they had altered and trampled under their feet the laws of Mosiah, or that which the Lord commanded him to give unto the people; and thus seeing that their laws had become corrupted, and that they had become a wicked people, insomuch that they were wicked even like unto the Lamanites.

They had changed and stepped on Mosiah’s laws. These were the laws the Lord told him to give the people. They saw that their laws had gone bad. They had become evil people. They were as evil as the Lamanites.

They’d twisted and trampled the laws Mosiah had given them—the laws the Lord had commanded. Seeing how corrupt their laws had become and how wicked they were—as wicked as the Lamanites—