One year after the near assassination of Donald Trump, a deep frustration has set in at the Secret Service over the agency’s response to the security failures of that day.

President Donald Trump still faces a plethora of threats, ranging from violent extremists backed by proxy groups, to domestic actors inspired to incite violence amid heightened political rhetoric, according to experts.

CBS News was taken inside the Secret Service's James J. Rowley Training Center in Laurel, Maryland, to see the agency's newest eyes in the sky, a fleet of military-grade drones that reimagine aerial reconnaissance in a post-Butler era.

The Government Accountability Office (GAO) found that the classified intelligence had been presented to Secret Service officials a full 10 days before the assassination attempt, but the agency’s

Helen Comperatore and her daughters press for answers from the U.S. Secret Service one year after her husband was killed in Butler, Pennsylvania, during an attempted assassination of President Donald Trump.

The New York Times reports the U.S. Secret Service tailed former FBI Director James Comey in unmarked cars and tracked his cell phone after his "86 47" social media post. MSNBC Legal Correspondent Lisa Rubin and Christopher McClenic,

The female US Secret Service agent who President Donald Trump praised for “bravely” shielding him during an assassination attempt last year in Pennsylvania was raised in upstate New York and is