Over 70 Democratic US lawmakers on Tuesday demanded a new investigation into warrantless purchases of Americans’ location data by Department of Homeland Security agencies—including Immigration and Customs Enforcement—which critics say violate the Fourth Amendment prohibition of unwarranted search and seizure.In a letter to DHS Inspector General Joseph Cuffari, 72 congressional Democrats led by Sen. Ron Wyden (D-Ore.) and Rep. Adriano Espaillat (D-NY) wrote, “Public contracting documents indicate...