Let’s talk about the important changes in policing over the last century related

Let’s talk about the important changes in policing over the last century related to patrol methods. As an example, and based on your text, how does changing the methods of police patrols potentially affect crime behavior?
Compare and contrast the essential nature of police patrol today to police patrol over the last century.
Determine at least two methods of current police patrols you feel are most effective today.