| Clue | Source | Date |
|---|---|---|
| Dangerous plant, perhaps | Wall Street Journal | 26 Dec 2024 |
| 007 film villain | Newsday | 29 Apr 2021 |
| Antagonist in a thriller, perhaps | USA Today | 07 Apr 2021 |
| It's not our agent in Yemen going crazy for notice | ||
| Adversary's plant | USA Today | 11 Nov 2019 |
| Invasive plant? | New York Times | 31 May 2019 |
| Invasive plant? | ||
| Plant from another country | New York Times | 30 Mar 2018 |
| Agent in Yemen going crazy for notice | ||
| Plant from another country | ||
| Mole, e.g | Wall Street Journal | 18 Jun 2016 |