Homeland Security Secretary Kristi Noem on Sunday announced new leadership at the agency tasked with immigration enforcement ...

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.

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

Homeland Security Secretary Kristi Noem tells "Face the Nation with Margaret Brennan" that the authorities that she has are ...