Related Clues:
- "The Double Helix" subject
- 14-Across evidence
- See 5
- See 14
- Post of bodyguard
- Post providing protection for old warrior
- Sound man for the post
- Letters - armour
- Flexible armour
- Post — armour
- Dispatch — armour
- Bit of crime scene evidence
- It's deposited in drops
- Blueprint with four bases
- Building block, of sorts