1. To ask someone questions, formally or aggressively

1. To examine carefully in order to uncover the truth

2. The act of watching or noticing something

3. A person believed to be involved in a crime

4. Justified or authorized, especially by a legal or official document

5. The location where a crime has taken place

6. Feelings or beliefs that someone is guilty of a crime

7. Scientific techniques used in solving crimes

8. Facts or information that indicate whether a crime has been committed

9. Working or acting in secret

10. To find an answer or explanation for a problem or mystery

11. An illegal act

12. A piece of evidence that helps solve a mystery

13. Hidden or undercover, not openly acknowledged