evyone here has been unjustly coicte 'meshond thi at reh ma here josh mankiewicz.>>inng corctional facility. the maximum secuririin new york this is the big house. me to some oe worst ofhe good moing. >>hankou. >>t is not whe et to find thisentle woma >> in sing sing, they call me grana. >> grandma isisteroanna chan, nun. >> i beg wking at sing sing more than 12 years ago. th is the battle about general. >>mas at t ison, woing with inmates in a theater program. she even teaes them chinese. througthe years, grand has help denof m e ys thimate he st a convict h chand >> he is just so bra. watching him a these years, i took such courage myse watching him. >> sister anna remembershe rst time s met this inmate. he was sitnglo eatg. hsaidmy familsend m30 so i said,our fami mloveu veryh. anhe yes, use ey know i'm innocen and that's how the whole sto bega >> a story thaben with the likely fdship between and a convicted kier would grownto a quest that wld shake the faith ofhose sworn to uphold the law. >> thought the people innocent, gohas to see h throh. >> so who is this

here's josh mankiewicz with "the devil in disguise." >> reporter: in this world, we like to think that we can tell the difference between good and evil. but sometimes evil puts on a mask and comes as it's opposite, a loved one, a friend, someone and by the time we figure out that we're wrong, it's too late. and so with that in mind, meet frank rodriguez, a guy who went looking for troubled souls. >> he was very drawn towards people that were broken. even though i don't have a lot, i just want what i have, i want to give. >> reporter: frank gave a lot. did a lot of good in his life. until he ran across another soul who was not just troubled or broken but pure evil. >> oh, god! >> reporter: frank grew up in rural illinois, one of six kids, played football, loved baseball. his sisters, carmen and shirley, remember most that he loved kidding around with his siblings. >> dry sense of humor. he'd say something and you're not sure if you're supposed to >> you know, funny tricks and jokes and things. prankster is the word i'm going for. >> after high school, frank joined the navy. around that

here's josh mankiewicz. >> sing sing correctional facility. new york. this is the big house. home to some of the worst of the worst. killers, rapists, drug dealers. >> good morning. >> thank you. >> it is not where you'd expect to find this gentle woman. >> in sing sing, they call me grandma. >> grandma is sister joanna khan, a nun. >> i began working at sing sing more than 12 years ago. this is the battle about general. >> grandma volunteers at the prison. working with inmates in a theater program. she even teaches them chinese. through the years, grandma has helped dozens of men. but she says this inmate here on stage, a convicted killer, has changed her. >> he is just so brave. watching him all these years, i took such courage myself >> sister joanna remembers the first time she met this inmate. he was sitting alone eating. >> he said, my family send me 30 pounds of food. so i said, your family must love you very much. and he said, yes, because they know i'm innocent. and that's how the whole story began. >> a story that began with the unlikely friendship between a nun and

here's josh mankiewicz with "plot twist." >> reporter: places please. there's an empty theater. who set the stage for an unbelievable tragedy. >> i'm buying it. i'm buying it hook, line and sipger. >> reporter: all of it so well done it was hard to tell what was real and what was an illusion. >> i just remember his performance being -- it was >> reporter: this is a story of a man who seemed to be at the end of his rope. >> it looked like he was having some sort of panic attack or heart attack. >> reporter: but on this stage at the final curtain the darkness remained because this story wouldn't win any awards. this was all real life. >> julie is my first daughter. she was my valentine baby. >> reporter: for june and masa kibuishi, a japanese couple who built their american dream california, their third child came as a pleasant surprise. >> doctor kept telling me it was another boy. but, voila, she was born on valentine's day. >> reporter: two big brothers had preceded her. >> first place. >> reporter: so naturally, it was julie who became an all-star sof

. >> i'm lester holt, and this is here's josh mankiewicz. >> reporter: they call it the early shift for a reason. it was still an hour before dawn in this small town in northern kentucky, and in a few hours a local warehouse would become an anthill of activity, as the first employees of the morning arrived. but who among them could predict that before the first coffee break that day one of their co-workers would be dead? >> i just walked in our office, and i think somebody has killed somebody upstairs in our office. >> okay. what makes you think somebody killed somebody? >> she's laying there on the ground, and there's blood all over. >> reporter: impossible to believe in this tight-knit workplace, where everyone knows everyone, but there was michelle face down in a pool of blood. the sheriff's department would launch an investigation. you know that your suspect is one of those people in the building? >> that's right. >> reporter: probing for clues in the victim's own private life. >> the detective asked me if there was any trouble in their marriage. >> reporter: eliminating suspect aft

. ``>> i'm lester holt and this is ``here's josh mankiewicz. ``>> sing sing correctional ``facility. ``the maximum security prison in ``new york. ``this is the big house. ``home to some of the worst of the ``worst. ``killers, rapists, drug dealers. ``>> good morning. ``>> thank you. ``>> it is not where you'd expect ``to find this gentle woman. ``>> in sing sing, they call me ``grandma. ``>> grandma is sister joanna ``khan, a nun. ``>> i began working at sing sing ``more than 12 years ago. ``this is the battle about ``general. ``prison. ``working with inmates in a ``theater program. ``she even teaches them chinese. ``through the years, grandma has ``helped dozens of men. ``but she says this inmate here on ``stage, a convicted killer, has ``>> he is just so brave. ``watching him all these years, i ``took such courage myself ``watching him. ``>> sister joanna remembers the ``first time she met this inmate. ``he was sitting alone eating. ``>> he said, my family send me 30 ``pounds of food. ``so i said, your family must love ``you very much. ``and he said, yes, because they ``know i'm in

. >> i listened to frank mankiewicz as he convinced george mcgovern that mcgovern should go downstairs to the ballroom and accept the victory. josh: mcgovern convinced the winner of the ' 72 primary despite losing to ed muskie, who had been predicted to win in a landslide. mcgovern went on to win the democratic nomination. >> bring it 20 years later, i decided that clinton ought to do the same thing. >> my recommendation to the campaign, i contacted them and harassed them with my suggestion was that clinton come down and claim the same thing at 5 minutes past 8, so the stations would go live and he would get the lead at that point in time. josh: to this day, many people still remember clinton as the winner, even though paul tsongas beat him. and while clinton was declaring victory, drama was playing out on the republican side, and carney was in the middle of it. night. president george h.w. bush lost the new hampshire primary by winning, beating insurgent pat buchanan by 15%. more damaging were the exit polls, some of which showed bush barely leading buchanan and others showing buchanan slightly ahead. >> it looked close during t