| Clue | Source | Date |
|---|---|---|
| Closely monitor | New York Times | 27 Jun 2024 |
| Watch on a stakeout | Wall Street Journal | 10 Jun 2024 |
| Keep an eye on certain short curtain | The Guardian Cryptic | 22 Feb 2022 |
| Keep an eye on certain short curtain | ||
| Monitor Five within secure centre of facility | ||
| Spy on | New York Times | 11 Apr 2018 |
| Spy on | ||
| Keep an eye on |