According to the State Department, the Diplomatic Security Service has more than 2,500 staff serving worldwide as special agents, security engineering officers, security technical specialists ...

The Diplomatic Security Service veteran was a senior agent and shift supervisor sent to Brussels as part of the advance party responsible for conducting security preparations for Rubio’s visit ...

I truly believe this [incident] was the result of incomprehensible strain [the agent] was placed under and, at the very least, [Diplomatic Security Service] owes [the agent] a very fair evaluation ...

and dignitaries as part of the State Department’s Diplomatic Security Service. These days, O’Brien is the special agent in charge for the Boston field office of the DSS, overseeing operations in New ...