Related Clues:
- 'The Puzzle Palace' org.
- Top-secret gp.
- Super-secretive government org.
- U.S. spy org.
- Controversial wiretapping gp.
- DOD component
- Org. in 'The Good Shepherd'
- Cryptologist's org.
- Snoop group. for short
- Top-secret govt. org.
- Covert fed. group
- Ft. Meade-based org.
- KGB's rival
- Langley-based gp.
- MI6 : U.K. :: __ : U.S.