Eliminate Cordon zombies

 is an optional storyline side mission featured in S.T.A.L.K.E.R.: Lost Alpha.

"I need you to kill those zombies in the tunnel, Marked One. They cause problems for my trade network."

- Sidorovich Message history

Overview

 * This side mission is automatically handed to the player while navigating Cordon.
 * 1) When traveling back from the top side of Cordon, Sidorovich will prompt the player to eliminate the zombies in the Trade Route Tunnel.
 * 2) Kill all the zombies inside the tunnel.
 * 3) Return to Sidorovich for the reward.

Trivia
"I want the zombies killed for security concerns."
 * Always try to loot the corpses for hands, they may be useful later.
 * When trying to locate this completed mission in the statistics section of the PDA, it is listed under the name:

- PDA statistics

Which is the same 'name' as the text contained in the mapspot mouse-over.