Secret Intelligence Service , SIS (abbreviation) , also: MI6

Some of the money goes to pay for secret services.

We work together in the secret service of our country.

His note had been turned over to the secret service.

"When a secret service goes after an individual, they have no chance."

The secret service learned what was going on - in part.

But how long before they'd call out the secret service and national guard?

Our secret service is supposed to be the best in the world.

A struggle is under way between the police chief and the head of the country's secret service.

It always seemed to be good value for money - running the entire secret service on a staff of 5 people!

Will Europe be able to reform the control of its own secret services?