Prison Cell from http://www.flickr.com/photos/stillburning/Civil societies have a duty to protect themselves from the actions of members of the society who fail to abide by the rules of the society. In modern society, these rules are established by representative bodies (Congress) and enforced by the executive. Infractions of the rules are called crimes. A police force is often the agency that identifies the commission of a crime, a prosecutor specifies the charges and makes the case before a tribunal or court, and a corrections department carries out the actions prescribed by the court. Often, the actions consist of confinement to prisons for some period of time, financial penalties or probation.

Why do societies do this? There are several purposes, some practical, some with unintended consequences, and some to assuage anger and pique. Lets look at some of these effects. (more…)