Old Mistakes is one of four Documents in Cold Darkness Awakened (additional content for Rise of the Tomb Raider). It belongs to the Contingency Plans set, containing messages addressed to Konstantin from an unnamed Trinity agent.
As we previously discussed, I have re-activated the primary systems to begin synthesizing the last known formula for the chemical agent. We've brought a few native prisoners, but the agent has little to no immediate effect on the female captives.
This is expected, based on the primary biological mechanism the agent affects, but it means we have precious few subjects. You gave me your authorization prior to the mission, but I would prefer to avoid using our own troops.We will return with a sample of the agent within a few days.