User blog comment:Willbachbakal/Co-Op Weapons: Syringe/@comment-3195894-20110816194208/@comment-3195894-20110816210715

Well they could either poison an enemy, or set them on fire, or something else, but when I thought of them I thought of Agent Orange, not specifically,but generally, poison, as this game takes place in 1980 as you've said, that was around five years after the Vietnam war "ended" so the thought was that it would be leftover poisons from the conflict.

Rambling on over.