d) Tyrell Security

Follow this Blade & Sorcery guide to navigate Tyrell Headquarters, interact with security, and access the DNA lab to uncover crucial clues about Marcus Eisenduller's demise.

Walkthrough:

1. Enter the Tyrell building and speak to the security guard, using all conversation threads. He will give you a videodisk and mention Eisenduller's Lab is upstairs.
2. Take the elevator to the DNA Lab.
3. Examine the body of Marcus Eisenduller to find a detonator wire.
4. Pick up the dog collar nearby, noting the dog's name is Rikki.
5. Examine the fast food box for a clue from Kingston Kitchen.
6. Return to the DNA Lab's computer console. Use