The above images are untouched. The image on the right has been enhanced to more clearly see the KKK like attire, including the angle and size of the hat. Below is cropped.
Low and behold, one presence decided to slow just enough for a picture. The white flash that Ann kept catching out of the corner of her eye is seen below. Look close and you can see the pointed hood of a KKK like member. Actual legal cases took place involving the Superior Court and picketing in front of the court house. It should also be noted that the newspapers of the 1800's went out of their way to deny clan activity.