“Call me what you want—corrections officer, C.O., guard, jailcop, turnkey—I helped keep people there against their will. For this, the jail rewarded me with food.” When Ben Langston took a job at the State Correctional Institute at Rockview, it was because there were few other options. At his previous job—putting labels on water bottles—he did not have cups of human waste thrown in his face. He did not have to finger sweaty armpits in...