Who is the killer

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Across
  1. 2. the thing you see in the cinema
  2. 4. opposite of men
  3. 5. if you work, you have a ...
  4. 7. a language spoken in the US
  5. 8. the opposite of wet
Down
  1. 1. something you play
  2. 3. between afternoon and night
  3. 5. 7th month of the year
  4. 6. the opposite of worst