the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. and a grant from millicent bell, through: >> narrator: jiro ishimaru is a journalist trying to expose what kim jong un's regime wants to hide: the secret world of the north korean people. he has an undercover network which covertly films life inside the country. >> (translated): obviously, it's an extremely dangerous thing to do. in north korea, even filming everyday life is considered a form of political treason. if they are caught filming, they'd be locked up and may never be let out again. >> narrator: even filming on the chinese side of the border is illegal. >> narrator: the people who work for jiro smuggle their footage across the tumen river, which divides china from north korea. the north korean border guards have been known to shoot to kill. the border has become even more tightly controlled since kim jong un took over as supreme leader two years ago, the third ruler in the kim dynasty after

the wyncote foundation. and by tfrontline journalism fund, with major support from john and jo ann hagler and a grant from james worth. >> my name's todd michael fickett. i'm here for arson, in prison for arson. down here, it's like being buried alive. you're like... you're someplace alive, but you're no place anybody wants you. >> narrator: todd fickett has just assaulted a prison officer. he's been put in an isolation cell as punishment. >> my mental state will probably go downhill like it did last time. i go pretty crazy. >> narrator: todd is facing six months alone in his cell. he's one of an estimated 80,000 inmates across the united states in solitary confinement. (howling) (banging) (laughter) (banging, shouting) (howling) >> narrator: friday night in the segregation unit at the maine state prison. all the inmates here are in solitary confinement. (banging) almost every day, the prisoners act out against the officers who work the unit. they flood their cells. they pour bodily fluids under their doors.

the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler, and a grant from james worth. >> my name is keith huff. i'm from louisville, kentucky. i've been incarcerated five times in the kentucky state prison system. i got a total of 27 years in the system. is it okay to go in? >> yeah. >> thank you, sir. >> narrator: keith huff is a million-dollar prisoner. the state of kentucky has spent an estimated $1.1 million incarcerating him. he's been diagnosed with schizophrenia and bipolar disor. >> (whispering prayer) i do great in prison for some reason. it's sad, but i do great in prison, i mean, because i got the structure, people telling me what to do. when i got somebody behind me, on me, i do great in life, for real, i really do. >> narrator: keith is currently serving five years for burglary, theft and impersonating a police officer. he's set to be released in three months. >> i do some stupid stuff. i have been coming in and out of prison since the early '

the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. (taking oath in latin) >> narrator: a year ago, when the cardinals converged on rome to elect a new pope, they all understood what was at stake. >> the atmosphere was the most serious, the most intense that i've ever, ever known because of the issues which the church was facing. at the top level in rome, things were not going well. and then the shame of child abuse has had a most serious effect, i think, on the church-- not just in the west, but i think all over the world. the catholic church, and in particular the pope, has the highest moral voice in the world. if that voice is diminished by scandals, that's a serious matter. >> narrator: this was one of the shortest conclaves ever. (crowd cheering) (bells ringing) by the evening of the next day, white smoke from the chimney of the sistine chapel confirmed that 1.2 billion catholics had a new pope. (crowd cheering) (cameras snapping) (cheering contin