Related Clues:

• Sleuth in pulp fiction
• Case studier, slangily
• Clue hunter, informally
• Sleuth
• Gumshoe, for short
• Person with a magnifying glass, for short?
• Short investigator
• Sleuth, slangily
• 29-Down's job
• Poirot, for one
• Noir investigator
• Sleuth, in slang
• Police officer
• Private eye, slangily
• Magnum, e.g., briefly