| Clue | Source | Date |
|---|---|---|
| Conservation officers | Newsday | 11 Oct 2026 |
| Keepers of quarry - as managers we'd come unstuck | The Times Mephisto | 25 May 2025 |
| Officers in reserve prepared retreats after fighting | ||
| Conservation officers | Newsday | 30 Oct 2016 |
| Plucky penologists |