The Department of Homeland Security has started giving employees lie detector tests to find out who is leaking details about upcoming immigration raids. The polygraph tests have been taking place for about three weeks,

Staffers at the Department of Homeland Security may soon find themselves hooked up to lie-detecting sensors, if they haven't been already. Sources tell NBC News that the federal agency has begun administering polygraph tests to workers in an effort to suss out leaks to the media that some say are derailing immigration arrests.

Insiders from the Department of Homeland Security have alleged that the agency is trying to root out whistleblowers by subjecting employees to lie detector tests. This comes as DHS has been actively aiding President Donald Trump's polarizing immigration policies by conducting raids to detain and deport suspected undocumented immigrants,