Possible Questions:
- Gumshoe
- Detective
- Tec
- Sherlock
- Sherlock Holmes or Hercule Poirot
- Lead follower
- One may follow a lead
- Mystery man?
- Miss Marple, e.g.
- Drew in books, e.g.?
- Wolfe, for one
- TV's Mannix or Monk, e.g.
- Sherlock Holmes, notably
- Sam Spade or Philo Vance
- One on a trail, perhaps
- Olivier-Caine thriller
- Olivier-Caine movie: 1972
- Olivier-Caine film classic
- Olivier-Caine film
- Nero or Ellery
- Nancy Drew, e.g.
- Mr. Moto, e.g.
- Movie with Michael Caine and Laurence Olivier
- Magnifying glass carrier, stereotypically
- Magnifying glass carrier, maybe
- Magnifying glass carrier
- Inspector Gadget, e.g.
- Holmes or Poirot
- Hammer or Spade
- Encyclopedia Brown, e.g.
- Easy Rawlins, for one
- Drew in books?
- Clue follower
- Caine-Olivier film