1. A Pessarane Behesht sleeper cell has been activated in London to assist you.

2. An al - qaeda sleeper cell may have used Arizona as its base.

3. He was a member of a terrorist sleeper cell ctu had under surveillance in 2002.

4. Everything the Russians should want from us — the true source of our strength — doesn't require a sleeper cell to penetrate.

5. This word calls to mind two other words, " sleeper cell " and " prison break ".