Across
- 2. secret work, espionage
- 4. potential murderer
- 6. a tool that enlarges the view of something
- 7. piece of information used in the detection of crime
- 8. the marks a person leaves behind
Down
- 1. an optical instrument used for viewing distant objects.
- 3. a piece of information indicating if the clue is valid or not.
- 5. the person responsible for a crime