| Clue | Source | Date |
|---|---|---|
| Gumshoe | Thomas Joseph | 21 Apr 2023 |
| Gumshoe | Thomas Joseph | 16 Nov 2019 |
| Private eye, informally | USA Today | 05 Aug 2018 |
| Private eye, informally | ||
| Private eye, slangily | New York Times | 24 Sep 2017 |
| Hardboiled novel stock character | Newsday | 05 Aug 2017 |
| Private eye, slangily | ||
| Pretence by American to be a detective in his country | ||
| P.I., in old slang | New York Times | 17 Apr 2016 |
| Gumshoe | USA Today | 25 May 2015 |
| Gumshoe | ||
| Gumshoe | ||
| Private eye | ||
| Detective, in slang | ||
| Detective, in slang | ||
| Detective, in slang | ||
| Gumshoe | ||
| Dick | ||
| Dick | ||
| Gumshoe | ||
| Gumshoe | ||
| Gumshoe | ||
| Detective | ||
| Gumshoe | ||
| Gumshoe | ||
| Private eye | ||
| Slangy detective | ||
| Private detective | ||
| Flatfoot | ||
| Private eye | ||
| Private eye | ||
| Detective | ||
| Gumshoe | ||
| Sherlock | ||
| Private eye | ||
| Private eye. | ||
| Detective: Slang. | ||
| "Private eye.” | ||
| Private detective: Slang. |