tom beasley. this entry, preneur suggested that it was a good idea to build for profit prisons. the first for profit prison started here in texas. since then, the for profit prison system has expanded dramatically. the two primary ones are now core civic, which derives from the corp, the cca, which started it was tom beasley's organization. in 1983 and the geo group. these two corporations are also are used to detain over 90% of all immigrant detainees and over 80% of all americans. citizens in the criminal justice system, there is much profit to be made through incarceration. let's shift a little bit and have you talk to us about how you, as a researcher, construct book like this one, and also, i wanted to commend you on the accessibility of your writing this book. this book is not just a history book from one professor to another, but it is a history book of detention. the united states for everyone to read and for everyone to understand. clearly, that takes a lot of like really style and decision making power. but how did you go about creating like this? so it given what was