What is problem-oriented policing?

What is problem-oriented policing? Discuss how a problem-oriented policing approach might apply to issues such school bullying, homelessness, and an abandoned house that is being used for drug dealing.
Citizen oversight of police agencies has grown exponentially since the 1980's, where today it is estimated that there is between 100 and 200 oversight committees across the nation. Do you believe this has helped to improve policing and police-community relations? Explain your reasoning.
The President's Task Force on 21st Century Policing endorsed new ideas about police training designed to increase public trust and confidence in local police departments. How exactly is the guardian mentality likely to improve the quality of policing? Are there any dangers involved in this approach?
Patrol is considered the backbone of policing, the central feature of police operations. Discuss the factors that affect the delivery of patrol services, and the methods utilized to improve traditional patrol operations.