The third trial challenging the proposed Kroger, Albertsons merger began Monday in a Denver district court, but the case differs from separate lawsuits brought by the Federal Trade Commission and the Washington attorney general as it seeks $1 million each in civil penalties from the two grocers.

From price gouging to deleting evidence, this case reveals a lot about Kroger and Albertsons’ fight for dominance over the grocery market.

Colorado Attorney General Phil Weiser held a virtual media briefing Thursday to provide an update on the lawsuit looking to block the potential merger between grocers Kroger and Albertsons. The challenge brought forth by Weiser follows two other lawsuits in Oregon and Washington State claiming a merger between the two would

The Colorado attorney general’s office will argue that the proposed merger between Kroger and Albertsons will hurt workers, shoppers and farmers.

The trial for the case brought forth by Colorado against the parent companies who run King Soopers and Safeway stores across the state will begin on Monday — marking the start of the third trial attempting to block the proposed $25 billion deal.