I am conduction research on private security management, policy, training and development. I am comparing the different between private security and...

I am conduction research on private security management, policy, training and development. I am comparing the different between private security and public security. I should illustrate the difference between the private sector and the public sector. The different management structure, policy and training vs the same for public security.  Just as it is on the assignments and I have chosen security to be my primary research