Originally Posted by MADCV
So one play through do the 3 easiest Investigations ie: the two crash tackle messengers and that guy with the letter up north, without being spotted, hunted or killing people.
Then, visit the brothel chick.
Finish, get the objective and sigh at the poorly worded Optional Objective.
Then, 2nd play through, do all 5 Investigations and kill the whole town for the inconvenience of having to do stuff twice.
This is the best method for this stupid mission.
Doing both objectives at once is just too frustrating.