county, miami-dade and new york's rikers island. they represent a real cross section of life across the country. each one has its own unique set of challenges. >> lockdown, lockdown, lockdown. >> got to be on point. >> lockdown, lockdown, lockdown. >> can't let your guard down for nobody. >> this is not a place to be. >> this is as close to a living hell as i think i ever want to come. >> step back behind the red line. >> everyone, bend over. >> if you like this type of thing, this is the place to be. >> i want to kill myself. i can't take it. >>> for the uninitiated or in this case, the unincarcerated, there is sometimes confusion between prison and jail. prison is only for convicted felons. jails also house convicts, but only those awaiting transfer to prison or serving short-term sentences. usually less than a year. >> listen up for your name. >> stand on the foot prints for me, please. >> most jail detainees have pending court cases, have been denied or are unable to make bail. >> put your stomach on the wall, hands behind your