Kristi Noem tried to justify deporting a Mexican national over a letter threatening to kill Donald Trump—but now officials believe it was phony.

A second foreign national has been arrested after threatening to assassinate President Donald Trump. The first was a Canadian ...

Ramon Morales Reyes allegedly wrote in a letter that he would shoot President Trump in the head at one of his rallies ...

A federal magistrate judge has ordered the pretrial detention of a man charged with stealing a purse from Homeland Security ...