
A prison (from Old French prisoun)[1] is a place in which people are physically confined and, usually, deprived of a range of personal freedoms. Other terms are penitentiary, correctional facility, and jail (or gaol), although in the United States "jail" and "prison" refer to different subtypes of correctional facility. Prisons are conventionally institutions which form part of the criminal justice system of a country, such that imprisonment or incarceration is a legal penalty that may be imposed by the state for the commission of a crime.
A criminal suspect who has been charged with or is likely to be charged with criminal offense may be held on remand in prison if he is denied or unable to meet conditions of bail, or is unable or unwilling to post bail. A criminal defendant may also be held in prison while awaiting trial or a trial verdict. If found guilty, a defendant will be convicted and may receive a custodial sentence requiring imprisonment.
As well as convicted or suspected criminals, prisons may be used for internment of those not charged with a crime. Prisons may also be used as a tool of political repression to detain political prisoners, prisoners of conscience, and "enemies of the state", particularly by authoritarian regimes. In times of war or conflict, prisoners of war may also be detained in prisons. A prison system is the organizational arrangement of the provision and operation of prisons, and depending on their nature, may invoke a corrections system. Although people have been imprisoned throughout history, they have also regularly been able to perform prison escapes.
For most of history, imprisoning has not been a punishment in itself, but rather a way to confine criminals until corporal or capital punishment was administered. There were prisons used for detention in Jerusalem in Old Testament times.[2] Dungeons were used to hold prisoners; those who were not killed or left to die there often became galley slaves or faced penal transportations. In other cases debtors were often thrown into debtor's prisons, until they paid their jailers enough money in exchange for a limited degree of freedom.
Only in the 19th century, beginning in Britain, did prisons as we know them today become commonplace. The modern prisons system was born in London, as a result of the views of Jeremy Bentham. The notion of prisoners being incarcerated as part of their punishment, and not simply as a holding state till trial or hanging, was at the time revolutionary.
Britain practiced penal transportation of convicted criminals to penal colony in the British colonies in the Americas, from the 1610s through the American Revolution in the 1770s, and to penal colonies in Australia between 1788 and 1868. France sent criminals to tropical penal colonies including Louisiana in the early eighteenth century.[3] Penal colonies in French Guiana operated until 1951 (in particular, infamous Île du Diable (Devil's Island)). Katorga prisons were established in the 17th century in Tsardom of Russia in underpopulated areas of Siberia and the Russian Far East that had few towns or food sources. Since these times, Siberia gained its fearful connotation of punishment.
The first "modern" prisons of the early 19th Century were sometimes known by the term "penitentiary" (a term still used by some prisons in the USA today or the Dutch "Penitentiare Inrichting/Institution): as the name suggests, the goal of these facilities was that of penance by the prisoners, through a regimen of strict disciplines, silent reflections, and perhaps forced and deliberately pointless labor on treadwheels and the like. This "Auburn system" of prisoner management was often reinforced by elaborate prison architectures, such as the separate system and the panopticon. It was not until the late 19th Century that rehabilitation through education and skilled labor became the standard goal of prisons.
Male and female prisoners are typically kept in separate locations or separate prisons altogether.[4] Prison accommodation, especially modern prisons in the developed world, are often divided into wings. A building holding more than one wing is known as a "hall". Many prisons are divided into two sections, one containing prisoners before trial and the other containing convicted prisoners.
Amongst the facilities that prisons may have are:
Prisons are normally surrounded by fencing, walls, earthworks, geographical features, or other barriers to prevent escape. Multiple barriers, concertina wire, electrified fencing, secured and defensible main gates, armed guard towers, lighting, motion sensors, dogs, and roving patrols may all also be present depending on the level of security. Remotely controlled doors, CCTV monitoring, alarms, cages, restraints, nonlethal and lethal weapons, riot-control gear and physical segregation of units and prisoners may all also be present within a prison to monitor and control the movement and activity of prisoners within the facility.
Modern prison designs have sought to increasingly restrict and control the movement of prisoners throughout the facility while permitting a maximal degree of direct monitoring by a smaller corrections staff. As compared to traditional large landing-cellblock designs which were inherited from the 19th century and which permitted only intermittent observation of prisoners, many newer prisons are designed in a decentralized "podular" layout. Smaller, separate and self-contained housing units known as "pods" or "modules" are designed to hold between sixteen and fifty prisoners each, and are arranged around exercise yards or support facilities in a decentralized "campus" pattern. A small number of corrections officers, sometimes a single officer, is assigned to supervise each pod. The pods contain tiers of cells arranged around a central control station or desk from which a single officer can monitor all of the cells and the entire pod, control cell doors, and communicate with the rest of the prison. Pods may be designed for high-security "indirect-supervision", in which officers in segregated and sealed control booths monitor smaller numbers of prisoners confined to their cells. An alternative is "direct-supervision", in which officers work within the pod and directly interact with and supervise prisoners, who may spend the day outside their cells in a central "dayroom" on the floor of the pod. Movement in or out of the pod to and from exercise yards, work assignments or medical appointments can be restricted to individual pods at designated times, and is generally centrally controlled. Goods and services, such as meals, laundry, commissary, educational materials, religious services and medical care can increasingly be brought to individual pods or cells as well. Despite these design innovations, overcrowding at many prisons, particularly in the U.S., has resulted in a contrary trend, as many prisons are forced to house large numbers of prisoners, often hundreds at a time, in gymnasiums or other large buildings that have been converted into massive open dormitories.