Overseer's Orders is a written note found in The Brigmore Witches.
You are charged with surveillance of the Mutcherhaven District and surrounding estates. Travel there immediately and report all findings to the office of the High Overseer. If any signs of organized heresy are uncovered send for additional support; do not attempt to handle the situation alone. Remember the strictures and you will not fail.Overseer Cranton
It can be found on the second floor of Brigmore Manor in a room with a captured Overseer.