| Answer | Crossword Clue |
|---|---|
| ANONYMOUSLETTER | Clue in many a mystery. |
| SLIPPER | Sole clue in ancient mystery. |
| PUN | Many a "?" clue in a crossword |
| PUN | Many a puzzle clue ending in "?" |
| WILL | Something read in many a murder mystery |
| CYANIDE | Cause of death in many a murder mystery |
| AUTOPSY | Outstanding procedure in many mystery novels. |
