A short guide on how to unlock The Fool (Be killed by a civilian) Achievement.
How to Obtain The Fool Achievement
Сrеdit gоеs to Cookie!
Create a multiplayer game and start the Valley of the dolls mission.
Next enter the building from the first door then go into the bathroom on the left.
If you do not hear any NPCs run she should be in this room, she also may spawn elsewhere.
You should see this NPC hiding the bathroom she will try to force the door shut just push your way throw and be careful not to yell, then you simply just let her beat you to death.
she isnt always in the room but always in the first 3