“The huge prison buildup of the past four decades has few ardent defenders today. But reforms to reduce the number of people in jail and prison have been remarkably modest so far. Meanwhile, a tenacious carceral state has sprouted in the shadows of mass imprisonment and has been extending its reach far beyond the prison gate. It includes not only the country’s vast archipelago of jails and prisons, but also the far-reaching and growing range of penal punishments and controls that lies in the never-never land between the prison gate and full citizenship.”