
Quest objectives
Hand over the letter from messenger to the Therapist.
How to complete the quest?
Go on Factory and find a small concrete room with a window.
There you'll find a dead scav's body. This is the messenger, and there is a letter near the collar under his jacket. Take it.
Next, you need to leave the location alive and hand over the letter to Therapist.
Find the messenger on the map

Concrete room with a messenger’s corpse
Concrete room with a messenger’s corpse

Corpse of a messenger with a letter
Corpse of a messenger with a letter