| Answer | Crossword Clue |
|---|---|
| CYANIDE | Poison in many murder mysteries |
| HEIRS | Suspects in many murder mysteries |
| BUTLER | Suspect in many murder mysteries |
| ARSENIC | Element of many murder mysteries? |
| ARSENIC | Killer in some murder mysteries |
| ARSENIC | Poison in some mysteries |
| ARSENIC | Poison in classic mysteries |
| CURARE | Arrow poison used in some mysteries |
