Assessing the scene of an explosion

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Across
  1. 1. specially trined dogs with good sense of smell
  2. 3. devices that are specifically targeted at first reponders
  3. 4. the type of container that water-soluble explosives are packed in
  4. 6. before collecting evidence, a crime scene should be checked for ________ bombs
  5. 8. the place where a bomb went off
  6. 10. used in time bombs
  7. 11. used in bombs to create greater destruction
  8. 12. is placed around a crime scene to preserve evidence and regulate who can enter a crime scene
  9. 13. a substance that is capable of exerting pressure on its surrounding
  10. 17. results when materials are burned
  11. 18. used in bombs to hold the components together
  12. 20. a detector that is used in the identification of explosive devices
Down
  1. 2. a rule to take victims to the hospital
  2. 3. used to collect soot deposits
  3. 5. a device that can be used in place of dogs to detect explosives
  4. 7. before touching of collecting evidence, this should be done first
  5. 9. the type of screen that is used to sort the debris of the explosion
  6. 14. these should be wet with methanol or distilled water
  7. 15. is used to deactivate an unexploded device
  8. 16. this type of photograph is used to provide a wider view of a crime scene
  9. 19. a bomb disposal suit is made of this