Will someone please help me find a website to find the answer to the following questions?

What are the various functions of a police agency?

Compare how the functions of a police agency differ at the federal, state, and local levels.

What would happen if the various functions and roles of policing agencies were limited in a community?

• Examples of technology used in policing and how technology enhances or detracts from police organizations’ ability to function

• Examples of less-than-lethal weapons and how less-than-lethal weapons affect policing in today’s society
• Example of dangers faced by police and how police organizations address these dangers