People in white coats

Seryoga the Paratrooper tells you that the people who paid him to inject you will be waiting near the downed helicopter. Time to teach them a lesson.
== Walkthrough ==
Kill the three white coats and pick up Chessplayer's Instructions from one of their bodies, and the quest will complete. The document shows that the Brotherhood has been injecting certain stalkers with an experimental mutagen and monitoring their actions.
== Notes ==
== Bugs ==