| Clue | Source | Date |
|---|---|---|
| Skeleton in the closet | Universal | 14 Nov 2024 |
| Mariner's closely guarded bit of knowledge? (4,6) | ||
| Closely held confidence | The Washington Post | 09 May 2022 |
| Closely held confidence | LA Times Daily | 09 May 2022 |
| Highly guarded piece of information | The Washington Post | 08 Nov 2015 |
| Highly guarded piece of information | ||
| Arcanum | ||
| Skeleton in the closet, maybe | ||
| Skeleton in the closet, maybe | ||
| Family scandal, maybe |