How do police agencies at the local, state, and federal level recruit, hire, and train employees?

How do police agencies at the local, state, and federal level recruit, hire, and train employees?
How can agencies ensure they are promoting diversity by hiring women and minorities?
How significant is stress in police training? Why should it be included in training programs?
How does proper recruitment and selection assist with implementation of community policing by local agencies?
Include a summary of the discussion on the improper hiring practices article located by your collaborative group.