The Department of Homeland Security (DHS) has collected Americans’ financial records in bulk, according to Sen. Ron Wyden (D-Ore.). Wyden revealed the existence of a DHS financial surveillance in a March 8 letter to the department’s inspector general, calling for an investigation into the previously unknown activities. Wyden said he recently learned that Homeland Security Investigations (HSI)—a law enforcement component of DHS—was operating an “indiscriminate and bulk surveillance program that swept up millions of financial records about Americans.” “After my staff contacted HSI about the program in January 2022, HSI immediately terminated the program,” Wyden wrote to DHS Inspector General Joseph Cuffari. The senator said his office was briefed by HSI on Feb. 18—the first time Congress has been told about the program. “HSI told my staff that it used custom summonses to obtain approximately six million records about money transfers above $500, to or from Arizona, California, New Mexico, …