President Trump is suggesting the United States will restart its testing of nuclear weapons. Senator, brother, officer ...

Secret Service agents have dismantled a network of electronic devices at multiple locations around New York City that could be used to disable the city's cellphone network, officials said Tuesday.

CNN chief law enforcement and intelligence analyst John Miller and CNN law enforcement analyst and former Secret Service agent Jonathan Wackrow addressed six key questions related to the investigation ...

The U.S. Secret Service is investigating a major security lapse after a member of the Trump National Golf Club in Sterling, Virginia, carried a loaded semiautomatic handgun into the facility while ...