Related Clues:
- Crusader's protection
- Post filled by a knight?
- Strong evidence
- Evidence letters
- 'CSI' test subject
- High-tech ''fingerprint'': Abbr
- Something that might be left at the scene of a crime
- Evidence that's tough to overcome
- Molecule hidden in 4-, 11-, 23-, 25- and 29-Down
- Code used in many court cases
- Turned up with a tiny bit of one's make-up
- Letter carrier's sackful
- Carrier's load
- Cloner's material
- Double helix stuff