How does DNA get left behind?

DNA can be left behind in biological material from an individual. Typically, DNA is deposited at a crime scene from the following biologicals: tissue, blood, seminal fluid, hair, saliva, or skin cells.

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1. What is SAKI?
2. Why is SAKI so important?
3. What is the SAKI process?
4. What is a sexual assault kit?
5. When and where is forensic exam conducted?
6. Who does the sexual assault kit?
7. What is DNA?
8. Why is the sexual assault kit done?
9. What is a DNA profile?
10. How does DNA get left behind?
11. How does the crime lab analyze for DNA?
12. What is CODIS?
13. How does CODIS work?
14. Does the victim’s DNA go into CODIS?
15. If there is a CODIS hit, does it mean that the suspect has been identified?
16. What happens if DNA evidence is not found?
17. Why weren't the kits tested?
18. Why are we testing the kits now?
19. What information does the suspect know?
20. Who can I contact to get more information about my sexual assault kit?