A deadly ordeal

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Across
  1. 4. A reason for doing something.
  2. 7. a separate seat for one person, typically with a back and four legs.
  3. 8. conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
  4. 9. Result or effect, typically one that is unwelcome or unpleasant.
Down
  1. 1. Kept out of sight; concealed
  2. 2. a person thought to be guilty of a crime or offence.
  3. 3. an instrument composed of a blade fixed into a handle, used for cutting or as a weapon.
  4. 4. the unlawful premeditated killing of one human being by another.
  5. 5. inform someone in advance of a possible danger, problem, or other unpleasant situation.
  6. 6. the way in which one acts or conducts oneself, especially towards others.