STUDENT FOR AN ENTIRE YEAR. >> Reporter: GOOD MORNING TO

>> Reporter: GOOD MORNING TO YOU.

YOU.

WE SIMPLY DONT KNOW ENOUGH ABOUT KIM JONG-UN.W ENOUGH

ABOUT KIM JONG-UN. PRESIDENT TRUMP IS WALKING INTO

PRESIDENT TRUMP IS WALKING INTO

THE UNKNOWN.

THE UNKNOWN.

AND WHAT EMERGES FROM OUR EXCLUSIVE INTERVIEWS IS A DEEPLY

EXCLUSIVE INTERVIEWS IS A DEEPLY COMPLEX CHARACTER.

COMPLEX CHARACTER. SMILING, RUTHLESS, MYSTERIOUS,

SMILING, RUTHLESS, MYSTERIOUS,

WHO IS KIM JONG-UN? THIS FORMER HIGH SCHOOL

THIS FORMER HIGH SCHOOL TEACHERS EXPERIENCE, MAY HOLD

TEACHERS EXPERIENCE, MAY HOLD CRUCIAL LESSONS FOR PRESIDENT

CRUCIAL LESSONS FOR PRESIDENT TRUMP.

TRUMP.

20 YEARS AGO, HIS STUDENT, HE

20 YEARS AGO, HIS STUDENT, HE

BELIEVES, WAS THE FUTURE LEADER

BELIEVES, WAS THE FUTURE LEADER

OF NORTH KOREA. >> HIS NAME WAS UN.

>> HIS NAME WAS UN. AND HE STARTED SCHOOL HERE IN

AND HE STARTED SCHOOL HERE IN THE SEVENTH CLASS.

THE SEVENTH CLASS. HE WAS ABOUT 14 YEARS OLD.

HE WAS ABOUT 14 YEARS OLD. >> Reporter: IN HIS FIRST

>> Reporter: IN HIS FIRST ENGLISH-LANGUAGE INTERVIEW, HE

ENGLISH-LANGUAGE INTERVIEW, HE SAYS HE TAUGHT UN SPORTS, MATH

SAYS HE TAUGHT UN SPORTS, MATH AND GERMAN AT THIS SCHOOL.

AND GERMAN AT THIS SCHOOL.

HE WAS HIS HOME ROOM TEACHER. >> HE WAS A GOOD STUDENT.HER.

>> HE WAS A GOOD STUDENT. BUT HE WASNT EXTRAORDINARY.

BUT HE WASNT EXTRAORDINARY. >> Reporter: BUT HE SAYS KIM

>> Reporter: BUT HE SAYS KIM JONG-UN WILL LIKELY UNDERSTAND

JONG-UN WILL LIKELY UNDERSTAND

ENGLISH.

ENGLISH.

SO, YOU THINK HE WOULD HAVE AT

SO, YOU THINK HE WOULD HAVE AT

LEAST LEARNED BASIC FRENCH AND ENGLISH AND GERMAN. FRENCH AND

ENGLISH AND GERMAN. >> YOU HAVE TO.

>> YOU HAVE TO. YOU HAVE TO.

YOU HAVE TO. >> Reporter: IT WAS 1998, WHEN

>> Reporter: IT WAS 1998, WHEN WE BELIEVE HE WAS IN

WE BELIEVE HE WAS IN SWITZERLAND.

SWITZERLAND.

INTRIGUE SURROUNDS HIS LIFE HERE.GUE SURROUNDS HIS LIFE

HERE.

ITS THOUGHT KIM JONG-UN SPENT MANY YEARS IN EUROPE.UN SPENT

MANY YEARS IN EUROPE. FOR A WHILE, ITS SAID HE LIVED

FOR A WHILE, ITS SAID HE LIVED IN AN APARTMENT HERE WITH HIS

IN AN APARTMENT HERE WITH HIS AUNT AND UNCLE.

AUNT AND UNCLE. WHILE WE MAY KNOW LITTLE OF HIM,

WHILE WE MAY KNOW LITTLE OF HIM, TO UNDERESTIMATE HIS KNOWLEDGE

TO UNDERESTIMATE HIS KNOWLEDGE OF THE WEST MIGHT BE A MISTAKE.

OF THE WEST MIGHT BE A MISTAKE. A SWISS INVESTIGATIVE JOURNALIST

A SWISS INVESTIGATIVE JOURNALIST ON A FELLOWSHIP AT STANFORD

ON A FELLOWSHIP AT STANFORD UNIVERSITY

UNIVERSITY UNIVERSITY, BELIEVES HE

UNIVERSITY, BELIEVES HE UNCOVERED THE VISA APPLICATION.

UNCOVERED THE VISA APPLICATION. >> HERE, YOU SEE KIM JONG-UN,

>> HERE, YOU SEE KIM JONG-UN, KIM JONG-CHOL AND HIS YOUNGER

KIM JONG-CHOL AND HIS YOUNGER SISTER.

SISTER.

AND THE DATE OF BIRTH IS CONSISTENT WITH KIM JONG-UNS

CONSISTENT WITH KIM JONG-UNS AGE.

AGE.

>> Reporter: MICHELE HAS A PHOTO OF HIS FORMER STUDENT.AS A PHOTO

OF HIS FORMER STUDENT. >> I TOOK A PICTURE OF EVERY

>> I TOOK A PICTURE OF EVERY STUDENT.

STUDENT.

>> Reporter: NBC NEWS SENT THAT PICTURE FOR ANALYSIS. SENT THAT

PICTURE FOR ANALYSIS. >> THE NOSE, THE MOUTH AND TWO

>> THE NOSE, THE MOUTH AND TWO FEATURES OF THE EARS LINE UP,

FEATURES OF THE EARS LINE UP, GIVING US THE STRONG LIKELIHOOD

GIVING US THE STRONG LIKELIHOOD THIS IS KIM JONG-UN.

THIS IS KIM JONG-UN. >> Reporter: HIS AUNT AND UNCLE

>> Reporter: HIS AUNT AND UNCLE DEFECTED TO THE U.S., WHERE THEY

DEFECTED TO THE U.S., WHERE THEY ARE IN HIDING.

ARE IN HIDING. MICHELE REMEMBERS A BOY WITH

MICHELE REMEMBERS A BOY WITH LIMITED FRIENDSHIPS BUT LOVING

LIMITED FRIENDSHIPS BUT LOVING BASKETBALL.

BASKETBALL.

>> WHEN WE PLAYED BASKETBALL TOGETHER AND DOING SPORTS, HE

TOGETHER AND DOING SPORTS, HE ALWAYS LOOKED LIKE A PRO.

ALWAYS LOOKED LIKE A PRO. IN HIS NBA CLOTHES.

IN HIS NBA CLOTHES. AND THE NIKES, THE GOOD ONES.

AND THE NIKES, THE GOOD ONES. THE AIR.

THE AIR. THAT WAS THE TIME FOR SHAQUILLE

THAT WAS THE TIME FOR SHAQUILLE ONEAL AND MICHAEL JORDAN.

ONEAL AND MICHAEL JORDAN. >> Reporter: AND HE COULD TAKE A

>> Reporter: AND HE COULD TAKE A JOKE.

JOKE.

>> WHAT I SAID TO HIM WAS, HEY, YOU LOOK ALREADY LIKE A PRO.EY,

YOU LOOK ALREADY LIKE A PRO. BUT THERE IS STILL A WAY TO GO.

BUT THERE IS STILL A WAY TO GO. TO PLAY LIKE A PRO.

TO PLAY LIKE A PRO. >> Reporter: YOU TEASED THE

>> Reporter: YOU TEASED THE LEADER OF NORTH KOREA, THE

LEADER OF NORTH KOREA, THE FUTURE LEADER OF NORTH KOREA.

FUTURE LEADER OF NORTH KOREA. >> YEAH.

>> YEAH.

FOR ME, I WASNT TEASING THE

FOR ME, I WASNT TEASING THE

LEADER OF NORTH KOREA.

LEADER OF NORTH KOREA.

I WAS TEASING UN PAK. >> Reporter: THE SCHOOL WILL NOT

>> Reporter: THE SCHOOL WILL NOT CONFIRM HIS ATTENDANCE.

CONFIRM HIS ATTENDANCE. BUT FROM AUGUST 1998 TO FALL

BUT FROM AUGUST 1998 TO FALL 2000, A NORTH KOREAN TEENAGER

2000, A NORTH KOREAN TEENAGER WAS AT OUR SCHOOL.

WAS AT OUR SCHOOL. HE LEFT ON SHORT NOTICE.

HE LEFT ON SHORT NOTICE. HE WAS WELL-INTEGRATED.

HE WAS WELL-INTEGRATED. HIS HOBBY WAS BASKETBALL.

HIS HOBBY WAS BASKETBALL. HIS NEXT DECADE IS SHROUDED IN

HIS NEXT DECADE IS SHROUDED IN MORE SECRECY.

MORE SECRECY.

BUT A DISTANT COUSIN, A FORMER

BUT A DISTANT COUSIN, A FORMER

ALLY OF THE RULING FAMILY, NOW A

ALLY OF THE RULING FAMILY, NOW A

DEFECTOR, THINKS HE HAS SOME

DEFECTOR, THINKS HE HAS SOME

CLUES.

CLUES.

HIS FATHER WAS THE ONE THAT

HIS FATHER WAS THE ONE THAT

INFLUENCED HIM THE MOST, HE

INFLUENCED HIM THE MOST, HE

SAYS.

SAYS.

HE SAW ABSOLUTE OBEDIENCE,

HE SAW ABSOLUTE OBEDIENCE,

KNEELING IN FRONT OF HIS FATHER.

KNEELING IN FRONT OF HIS FATHER.

NOW, KIM JONG-UN IS FORCING ALL

NOW, KIM JONG-UN IS FORCING ALL

THE OFFICIALS TO DO EXACTLY THE SAME.FFICIALS TO DO EXACTLY THE

SAME.

THE WORLD LEARNED THE NAME KIM JONG-UN ON THE DEATH OF HISKIM

JONG-UN ON THE DEATH OF HIS FATHER IN 2011.

FATHER IN 2011. SOON PRESIDENT TRUMP WILL SIT

SOON PRESIDENT TRUMP WILL SIT DOWN WITH KIM JONG-UN,

DOWN WITH KIM JONG-UN, FACE-TO-FACE, EYE-TO-EYE.

FACE-TO-FACE, EYE-TO-EYE. WHATS YOUR ADVICE?

WHATS YOUR ADVICE? >> TRY TO FIND THE SENSE OF

>> TRY TO FIND THE SENSE OF HUMOR.

HUMOR.

>> Reporter: A HIGH-STAKES

>> Reporter: A HIGH-STAKES

MEETING, DEPENDING ON PERSONAL RAPPORT, WHERE THE MAN MR. TRUMP

RAPPORT, WHERE THE MAN MR. TRUMP MEETS MAY NOT MATCH THE IMAGE ON

MEETS MAY NOT MATCH THE IMAGE ON TV.

TV.

THAT FORMER TEACHER WENT ON TO

THAT FORMER TEACHER WENT ON TO

TELL ME THAT PRESIDENT TRUMP

TELL ME THAT PRESIDENT TRUMP

SHOULD TRY TO LOOK FOR THE REAL

SHOULD TRY TO LOOK FOR THE REAL

PERSON.

PERSON.

BUT THINK ABOUT THIS, SAVANNAH

BUT THINK ABOUT THIS, SAVANNAH

AND HODA.

AND HODA.

IN KIM JONG-UN, WE APPEAR TO HAVE SOMEONE WHO SPENT HIS HIGH