The day after the squirrel incident, I decided I had to cut the grass. In the middle of cutting an area adjacent to the tree, she flew over me (quite high up), around the house, and landed in the yard where she had eaten the squirrel.
I stopped mowing, and went to my car to fetch my camera. At that point, the hawk, not finding any remnants of the squirrel, flew up to this low gable above our porch, and proceeded to have a conversation with me using body language! It was amazing.
Only about 15 feet away, she didn't seem at all skittish about my photographing her.