Bad deal

Sviblov wants you to cover Freebie in a deal with mercenaries at the [ mill] in Cordon, just in case something goes wrong. You have to do it inconspicuously.
== Walkthrough ==
After approaching the mill, Freebie and another stalker spawn inside, along with the mercenaries. You have to sneak up to them without being seen or heard. Sneaking fully crouched from the northern exit seems to be the safest route. Then Freebie will call for help, you can step out and kill all mercenaries.
After ensuring that Freebie is safe, report to Sviblov for your reward.
==Notes== 
*After this quest, Freebie goes to the Clear Sky base at Swamps.
*This quest might conflict with Krysyuk's PDA if Krysyuk is still alive, as both Freebie and Krysyuk happen to be at the mill.
==Bugs== 
*It's possible that Freebie will never return to the Swamps after this mission. After several hours, double-check that he arrived at the Clear Sky base (he should be in the barracks).
*You could cheese the mission by throwing anomalous grenades before Freebie calls for help, as the Clear Sky people are invulnerable. Stealth is still required, though. Here's a video with the demonstration. 
** If you use this method, be wary of them potentially being hostile.