“I was issued an inmate uniform and a mesh bag with my toiletries and bedding. My arms were handcuffed behind my back, my legs were shackled and I was deposited in Administrative Segregation — solitary confinement. I hadn’t committed a crime. Instead, as the new head of the state’s corrections department, I wanted to learn more about what we call Ad Seg.”

+ Smithsonian Magazine: The Science of Solitary Confinement.