A government official who sanctions spying on and brutal physical harassment of legitimate, nonviolent demonstrators because "they are a threat to national security" is using Bandura's disengagement technique of?

Moral Disengagement

Explanation:

At the center of development of a moral self, humans adopt set standards of what is right and wrong, which serve as guides for behavior and conduct. They avoid behaving in ways that violates their moral set standards, because such behaviors will bring them self condemnation. These positive and negative 'self placed sanctions', put behavior in line with standards. However, in another light, people in all walks of life behave harmfully and still maintain a positive regard and live in peace with themselves, they achieve this by disengaging moral sanctions from their harmful practices. These also happen at both individual and societal levels.