Q: What is solitary confinement?

A: Solitary confinement of prisoners goes by a number of names—isolation, SHU (special housing units), administrative segregation, supermax prisons, the hole, MCU (management control units), CMU (communications management units), STGMU (security threat group management units), voluntary or involuntary protective custody, special needs units, or permanent lockdown.



Although solitary confinement conditions vary from state to state and among correctional facilities, systematic policies and conditions include:

Confinement behind a solid steel door for 22 to 24 hours a day

Severely limited contact with other human beings

Infrequent phone calls and rare non-contact family visits

Extremely limited access to rehabilitative or educational programming

Grossly inadequate medical and mental health treatment

Restricted reading material and personal property

Physical torture such as hog-tying, restraint chairs, forced cell extraction

“No-touch torture,” such as sensory deprivation, permanent bright lighting, extreme temperatures, and forced insomnia

Chemical torture, such as stun grenades and stun guns

Sexual intimidation and other forms of brutality and humiliation

Beginning in the early 1970s, prison and jail administrators at the federal, state, and local level have relied increasingly on isolation and segregation to control men, women, and youth in their custody. In 1985, there were a handful of control units across the county. Today, more than 40 states have super-maximum security—or “supermax”—facilities primarily designed to hold people in long-term isolation.

Q: How many people are in solitary confinement in the U.S.?

A: There are more than 80,000 men, women, and children in solitary confinement in prisons across the United States, according to the Bureau of Justice Statistics.

Note that figure is a decade old and doesn’t include people in jails, juvenile facilities, and immigrant detention centers. Nearly every state uses some form of solitary confinement, but there’s no federal reporting system that tracks how many people are isolated at any given time.

Prisoners are often confined for months or even years, with some spending more than 25 years in segregated prison settings. As with the overall prison population, people of color are disproportionately represented in isolation units.

Q: Why are people placed in solitary confinement?

A: Prisoners can be placed in isolation for many reasons, from serious infractions, such as fighting with another inmate, to minor ones, like talking back to a guard or getting caught with a pack of cigarettes.

Other times, prisoners are thrown into solitary confinement for not breaking any rules at all. Prisons have used solitary confinement as a tool to manage gangs, isolating people for simply talking to a suspected gang member. Prisons have also used solitary confinement as retribution for political activism.

Q: How does long-term solitary confinement affect a person?

A: Numerous studies have documented the harmful psychological effects of long-term solitary confinement, which can produce debilitating symptoms, such as:

Visual and auditory hallucinations

Hypersensitivity to noise and touch

Insomnia and paranoia

Uncontrollable feelings of rage and fear

Distortions of time and perception

Increased risk of suicide

Post-traumatic stress disorder (PTSD)

These effects are magnified for two particularly vulnerable populations: juveniles, whose brains are still developing, and people with mental health issues, who are estimated to make up one-third of all prisoners in isolation.

If a person isn’t mentally ill when entering an isolation unit, by the time they are released, their mental health has been severely compromised. Many prisoners are released directly to the streets after spending years in isolation. Because of this, long-term solitary confinement goes beyond a problem of prison conditions, to pose a formidable public safety and community health problem.

Q: Is solitary confinement considered “torture?”

A: Yes. Prison isolation fits the definition of torture as stated in several international human rights treaties, and thus constitutes a violation of human rights law. The U.N. Convention Against Torture defines torture as any state-sanctioned act “by which severe pain or suffering, whether physical or mental, is intentionally inflicted on a person” for information, punishment, intimidation, or for a reason based on discrimination.

Since the 1990s, the U.N. Committee Against Torture has repeatedly condemned the use of solitary confinement in the U.S. In 2011, the U.N. special rapporteur on torture warned that solitary confinement “can amount to torture or cruel, inhuman, or degrading treatment or punishment when used as a punishment, during pre-trial detention, indefinitely or for a prolonged period, for persons with mental disabilities, or juveniles.”

In 2014, AFSC submitted a “shadow report” to the U.N. Committee Against Torture, featuring testimonies from people subjected to long-term isolation.

Q: What is being done to end solitary confinement in the U.S.?

A: Prisoners and their families have taken the lead in making the public and policymakers aware of this cruelty taking place in U.S. correctional facilities, forming coalitions and working to ensure their stories are told in the news media. Several faith-based organizations, including AFSC, have accompanied survivors of solitary confinement in calling for an end to the practice.

Politicians and other public figures—such as President Obama, Supreme Court Justice Anthony Kennedy, and Pope Francis have denounced long-term solitary confinement, while the U.S. Senate has called for reforms from the U.S. Bureau of Prisons.

In recent years, several states have reexamined the use of solitary confinement in state prisons, but we are far from abolishing this shameful practice in the U.S.

Prison isolation must end—for the safety of our communities, to respect our responsibility to follow international human rights law, to take a stand against torture wherever it occurs, and for the sake of our common humanity.