- SLEUTH
- Columbo or Clouseau, e.g.
- Hammer or Spade
- Wimsey, for one
- Gumshoe
- Holmes, e.g.
- Oliver-Caine film
- Detective
- '72 Laurence Olivier mystery
- Olivier/Caine mystery of '73
- Sherlock Holmes or Hercule Poirot
- Olivier/Caine mystery of 1972
- Movie with Michael Caine and Laurence Olivier
- TV's Mannix or Monk, e.g.
- Mystery man?
- Miss Marple, e.g.
- One who works on a case-by-case basis [Zoe Wheeler]
- Clue collector
- Nancy Drew, e.g.
- Clue seeker
- Clue follower
- Magnum or Spade
- Nero Wolfe, e.g.
- Holmes or Poirot
- Tec
- Whodunit hero
- Private eye
- Pro on a case
- Dick
- Nero or Hercule.
- Hercule Poirot, for example.
- Olivier-Caine thriller
- Sherlock.
- Whodunit character.
- Hawkshaw.
- Clue man.
- Sam Spade or Philo Vance
- Olivier-Caine film
- Nero or Ellery
- Caine-Olivier film
- Olivier-Caine movie: 1972
- Magnifying glass carrier, maybe
- One may follow a lead
- Drew in books?
- One on a trail, perhaps
- Lead follower
- Nancy Drew, for one
- Mystery person?
- Scent follower
- Magnifying glass carrier, stereotypically
- Wolfe, for one
- Sherlock Holmes, notably
- Magnifying glass carrier
- Clue chaser
- Holmes or Colombo, e.g.
- Crime investigator
- Olivier-Caine film classic
- Drew in books, e.g.?
- 48-Across, for one
- Search around for clues
- Nancy Drew or Harriet the Spy
- Tony-winning play set at Andrew Wyke's country home
- Person working on a case-by-case basis
- Poirot or Holmes
- Case worker
