As Vice President Kamala Harris campaigns on tackling skyrocketing grocery prices, two of the country’s largest grocery chains are doing everything they can to merge into a price-gouging behemoth.

As legal proceedings began on Monday Aug. 26 to stop the merger of Kroger and Albertsons, behind the scenes the companies have spent millions in corporate lobbying, sued to dismantle the country’s long-standing antitrust machinery, and even erased potentially incriminating evidence about “the merger’s anticompetitive impacts,” according to court documents reviewed by The Lever.