| Clue | Source | Date |
|---|---|---|
| Evidence of a now-deleted email, perhaps | The Telegraph Cross Atlantic | 24 Aug 2024 |
| Still shot of a moving image, in tech-speak | New York Times | 25 Jun 2023 |
| Bit of evidence, maybe | The New Yorker | 26 Nov 2018 |
| Modern capture? | LA Times Daily | 14 Jul 2018 |
| Modern capture? | The Washington Post | 14 Jul 2018 |
| Modern capture? |