Homeland Security Secretary Kristi Noem on Sunday announced new leadership at the agency tasked with immigration enforcement as she also pledged to step up lie detector tests on employees to ...

Department of Homeland Security Secretary Krisi Noem said tests polygraph tests will continue for employees, while pledging to prosecute leakers.

Former South Dakota Governor and Homeland Security Sec. Kristi Noem on Friday said her agency has identified two alleged "criminal leakers" who may have thwarted immigration raids. "We have ...