Miller writes in prose that is at once powerful and engaging — and combines an abundance of data with the lived experiences of the people the numbers represent. A sociologist, criminologist, social worker, and former chaplain at Chicago's Cook County Jail, his insights are partly drawn from having spent 15 years interviewing nearly 250 people caught up in the prison industrial complex. This work included a research project during which he spent three years engaging with 60 men and 30 women after their release from incarceration in Michigan. Miller can also claim far more experiential expertise, because he was 'born black and poor in the age of mass incarceration' and, like every Black person he knows, 'was stopped by the police a number of times.' He is a scientist armed with statistical information, and he is the son and brother of incarcerated men.