A Tell-Tale Heart cross word puzzle

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Across
  1. 5. Some who is worried about something that is crazy
  2. 7. When someone kills someone by not giving them any air
  3. 8. The person who is killed
  4. 9. Someone who writes things down to study
Down
  1. 1. When someone yells they also
  2. 2. When one person kills another
  3. 3. The noise a watch makes when stuffed in a piece of cotton
  4. 4. Something that people walk on but can also be lifted up
  5. 6. The plural of what people sit on