Thomas Matthew Crooks climbed onto a building outside the rally’s security zone and fired an AR-style rifle, killing one ...

A Senate report said that the Secret Service's "multiple, unacceptable failures" allowed a man to fire bullets at President ...

The Senate Homeland Security Committee said the Secret Service's "lack of structured communication was likely the greatest ...

U.S. President Donald Trump said on Sunday he will send Patriot air defense missiles to Ukraine, saying they are necessary to defend the country because Russian President Vladimir Putin ...