Identifying the person who sent the transmission | Walkthrough MGS V: TPP Guide

Last update: 14 April 2017

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Door leading to a room with the scientist

When you reach the Quarantine Platform in the Mother Base, go to the isolated area and wait until you are transferred inside. Start a very linear walk, during which you will see the infected and meet the survivors (it's optional). Use the next staircase to reach the higher floors. Your destination is a laboratory where a scientist responsible for transmission resides. You need to open the door to the room first.