Columbia subject headings:
Harvard subject headings:
Combat--Moral and ethical aspects.
Military ethics.
National security--Moral and ethical aspects.
Police ethics.
Police shootings--Moral and ethical aspects.
Public safety--Moral and ethical aspects.
Princeton subject headings:
Combat--Moral and ethical aspects.
Military ethics.
National security--Moral and ethical aspects.
Police ethics.
Police shootings--Moral and ethical aspects.
Public safety--Moral and ethical aspects.