COVERT
| Date | Clue |
|---|---|
| 2021-09-29 | *Done openly |
| 2017-01-01 | On the down-low |
| 2016-12-30 | Like cloak-and-dagger operations |
| 2015-07-03 | Surreptitious |
| 2013-04-05 | Like some operations |
| 2013-04-01 | Like C.I.A. operations |
| 2009-10-04 | Hidden |
| 2008-09-22 | Hidden from view |
| 2006-02-08 | Not apparent |
| 2003-05-05 | Like C.I.A. operations |
| 1995-01-01 | Hugger-mugger |