I don't know I'm asking everyone else
From the first set of people the mayans,
I believe the history of law is as old as the time when man was created. Adam was the first law maker and law enforcement authority. He created the first set of law, which included six laws. These laws encompassed a number of issues. And the first law appointed judges for the fulfillment of the other laws. Here is a link which will give you details:
First set of laws
First set of laws