So they could protect the president. They are supposed to keep the code names of the president and his family secret. This way, possible assassins are not given additional information.
That's a secret.
The Secret Service investigates counterfeiting.
Secret service
bush has a secret service
The duration of On Secret Service is 1.48 hours.
The secret service.
Secret Service Agents
The duration of In the Secret Service is 600.0 seconds.
Confederate Secret Service was created in 1861.
Confederate Secret Service ended in 1865.
On Secret Service was created on 1933-12-15.
Secret Intelligence Service was created in 1909.