In the reading for this week, Charles Katz’s research on the adoption of a gang

In the reading for this week, Charles Katz’s research on the adoption of a gang unit in a midwestern city provides a useful illustration of the ways in which police organizations respond to external press.
Please answer the following questionst:
What was the external force that the agency was responding to? What was the intended impact?
How did the change/innovation/response actually impact the justice system and the process of responding to local crime?
Where have you seen similar types of responses within the criminal justice system?
Do these types of responses promote or undermine the legitimacy of the police?
all the answers should be based on the reading attached below, please answer all the questions .