| Clue | Source | Date |
|---|---|---|
| Ad hoc groups of specialists | LA Times Daily | 12 Jul 2025 |
| Groups of problem-solving specialists [Princess 1] | LA Times Daily | 05 Sep 2021 |
| Groups of problem-solving specialists [Princess 1] | The Washington Post | 05 Sep 2021 |
| Ferocious problem-solvers | Newsday | 29 Aug 2020 |