Five of the classic characters are suspects in the mysterious murder of Mr. Boddy (Mrs. White was out of the country at the time of the murder):
- Colonel Mustard (male)
- Miss Scarlett (female)
- Mr. Green (male)
- Mrs. Peacock (female)
- Professor Plum (male)
- A candlestick - one of the very large, ornate, and heavy type
- A 9mm handgun (Sig Sauer P238)
- A lightweight but strong nylon rope
- A knife (specifically, a stiletto, which is a short tapered dagger)
- A heavy plumber's wrench
- Ballroom
- Conservatory
- Dining Room
- Kitchen
- Library
- Neither Mrs. Peacock nor Colonel Mustard were in the Kitchen, and neither of them had the Candlestick.
- The person in the Ballroom had the gun.
- Mrs. Peacock was not in the Conservatory.
- Professor Plum, who was in the Library (of course!) did not have the wrench.
- Mr. Green had the rope, but not in the Conservatory.
- The person in the Kitchen did not have the Knife, Rope or Wrench