- ARSENIC
- Poison once used as a skin lightener in Victorian England
- Napoleon's rumored cause of death
- Killer in a Kesselring play
- Poisoner's choice
- It was once morbidly called "inheritance powder"
- They might lure you into the "ring the bell" game
- Old Lace companion
- Element in insecticides
- Insecticide poison
- ___ and Old Lace
- Poison used in a play
- One of two elements that ends with the letter C
- Killer in some murder mysteries
- Poisonous element that flavors a sauce in "You're a Mean One, Mr. Grinch"
- Poison in some mysteries
- Lethal additive to elderberry wine, in a Kesselring black comedy
- Murder mystery element?
- Abby and Martha's poison of choice, in a 1939 play
- Element #33
- Pesticide ingredient
- __ and Old Lace
- Poison in some whodunits
- As, on the periodic table
- Pesticide poison
- Whodunit poison
- As, in the lab
- As, in formulas
- Toxicology concern
- Poisonous element
- As, to Einstein
- As, for Einstein
- Insecticide ingredient
- ___ and Old Lace (Joseph Kesselring play)
- What lewisite contains.
- Rat poison.
- Found in Paris green.
- A poison.
- Strong poison.
- Medicine or poison.
- Companion of "Old Lace."
- Subject of a Lindsay-Crouse play.
- Pharmacopoeia item.
- An element.
- Element.
- Element in many a whodunit.
- Mystery-story poison
- Old Lace accompaniment
- Element forming poisonous compounds
- Partner of Old Lace
- Christie element
- Elderberry wine additive, in a Kesselring play
- Cause of Philip Boyes's death in a Dorothy Sayers novel
- Poison in classic mysteries
- It's detected by the Marsh test, in forensics
- As, chemically
- One of the metalloids
- #33 on a table
- Once-common pesticide component
- Straight As in chemistry?
- Suspected cause of Napoleon's death
- What gets As in chemistry?
- As seen in chemistry class?
- It once earned the nickname "poudre de succession" ("inheritance powder")
- Stuff in rat poison
- As in chemistry?
- Element whose name derives from Persian for "gold"
- Cause of death for Emma Bovary
- Rat poison poison
- Elderberry wine additive, in a classic film
- Poisonous atomic number 33
- Element of many murder mysteries?
- Poison used in a play and film
- Toxic element
- Element in murder mysteries
- As, on a table
- Element in many Agatha Christie books
- Element of many whodunits
- Ingredient of the Brewster sisters' elderberry wine