Related Clues:
- Private eye, in old slang
- P.I., slangily
- Protagonist in hard-boiled fiction
- PI kin
- Investigator, in old film noir
- Maybe Sam Spade sticks with another tool for gardener
- Hero of hard-boiled fiction
- Sleuth kin
- Clue seeker, briefly
- Old-time investigator
- Film noir stock character
- Chandler/Hammett hero
- P.I. kin
- PI or sleuth
- Solver with a set of clues, for short