Given the state of the world, there is a heavy security presence at Hoover Dam these days. This officer keeps careful watch on pedestrians and traffic crossing the road on top of the dam. His body language tells us that he is vigilant, concerned, thoughtful and curious. All of these responses reflect human values. His task is not easy, and there is no room for error. He does his job in the open – his four identification badges are in plain view of all who pass him. Yet he must incongruously work from behind a fence.