| Clue | Source | Date |
|---|---|---|
| Warning from a crude ship? | Wall Street Journal | 08 Mar 2025 |
| Heads-up for Edmonton hockey fans? | Universal | 31 Aug 2022 |
| News of a crude carrier sighting? | LA Times Daily | 09 Apr 2017 |
| News of a crude carrier sighting? | The Washington Post | 09 Apr 2017 |
| News of a crude carrier sighting? |