Overseer's journal fragment

Page 64
... population continues to grow unhindered. With the overcrowding came violence, it was nothing at first, but quickly escalated with the open access to firearms in the armory. The armory door was not, at the time, connected to the main system and could not be locked; so I placed guards at the armory door to prevent some of the more troublesome residents from obtaining weapons. There was some opposition to this, but the majority of the residents seemed to agree...

Page 65
... real trouble began when a fair number of residents began to call for population control. Foreseeing the issue spiralling out of control I ordered one of the technicians to hook up a locking mechanism linking the armory door to the terminal in my office. The news of the armory being closed off angered a sizable group of residents, they stated it was their right to defend themselves and demanded that they be given acess to the armory once more, and I of course denied this request...

Page 66
... riots begin soon after; during the peak of the violence the group calling for free access to the armory stormed the Vault's exit and left. The door was sealed after them and additional guards were stationed at the exit; this proved to be a grave mistake. With the additional guards at the exit there were fewer to patrol the halls, none of them were prepared for the group that ambushed the armory. The guards were able to defend their position, but not before the damage was done, during the fight one of the reactors cooling vents was damaged.

Appearances
The appears in Fallout: New Vegas. The three pieces are found in Vault 34