An estimated 80,000 American prisoners spend 23 hours a day in closed isolation units for 10, 20 or even more than 30 years.
Now, amid growing evidence that it causes mental breakdown, the Federal Bureau of Prisons has decided for the first time to review its policies on solitary confinement.
Despite evidence that shows its ineffectiveness and high cost, many penitentiaries continue to employ the practice. Just ask this man, as he spent two years in solitary after being arrested for a DWI without seeing a judge. Ended up pulling out his own tooth because he was denied a dentist.