His ambition led to the destruction of his character.
The answer is argument. :)
Answer:
By allowing his personal views to result in unequal treatment of members of the public, Officer Smith is in violation on his: ‘professional ethics’
Explanation:
Officer Smith is unethical and not professional because he ought to have treated them equally but he let his personal feelings and perception to guide his judgment which is wrong professionally.
Answer: case study.
Explanation:
A case study is a research method involving an up-close, intensive and detailed examination of a particular case in which the researcher examines in-depth data relating to several variables
The case study is not itself a research method, but researchers select methods of data collection and analysis that will generate material suitable for case studies.
In psychology, case studies are often confined to the study of a particular individual or a group of individuals. The information is mainly biographical and relates to events in the individual's past, as well as to significant events which are currently occurring in his or her everyday life.