Historical clue formulations

• Sherlock Holmes or Hercule Poirot — 2024-05-29
• Nancy Drew, for one — 2018-07-10
• Miss Marple, e.g. — 2012-10-09
• Lead follower — 2011-03-19
• Drew in books? — 2003-12-28
• One on a trail, perhaps — 2003-09-12
• One may follow a lead — 2001-02-03
• Detective — 1999-08-17
• Mr. Moto, e.g. — 1999-04-13
• Magnifying glass carrier, maybe — 1998-12-30