i date this back to the attica rebellion in 1971 so that is 40 years ago, right? that at that time when the attica rebellion took place and there were strikes at folsom, the soledad brothers case was a major case involving political prisoners and there was a great deal of public discussion about the prison crisis and at that time there were only a couple hundred thousand people behind bars. today there are more than 2 million, 2.3 million people behind bars and this is, of course, the census on any given day. >> how does this happen, though? because so many people say the reason there are so many people in prison and if people commit more crimes we need more jails. >> this is a process called criminalization. as a matter of fact, if we look at the way in which the so-called drug war has driven the soaring prison population we see that at one point if one were found to be in possession of an illegal drug one might get a couple of months or maybe a year, but now it's possible under three strikes and the mandatory minimum sentences to end up in prison for an upon ent