Campaign contributions from Palantir, a controversial tech company, have become a significant issue for Democrats in the midterms as they focus on the Trump administration's immigration efforts and the company's involvement in it. Several Democratic candidates have returned or donated funds from top Palantar executives and its political action committee (PAC), distancing themselves from the controversy surrounding the firm's large contracts with the Department of Homeland Security (DHS) and Immigration and Customs Enforcement (ICE). The company's contributions have been met with criticism, with concerns about the surveillance and privacy implications of its technology. Several candidates have pledged not to take future funds tied to PalantIR or contributions to advocacy groups.