FOUND IN A CAVE. JOE FRYER REPORTS ON HOW DNA TECHNOLOGY

JOE FRYER REPORTS ON HOW DNA TECHNOLOGY HELPS SOLVE THE

HOW DNA TECHNOLOGY HELPS SOLVE THE MYSTERY.

HELPS SOLVE THE MYSTERY. >> Reporter: FOR 40

MYSTERY. >> Reporter: FOR 40 YEARS A MYSTERY HAS

>> Reporter: FOR 40 YEARS A MYSTERY HAS LINGrd OVER THESE

YEARS A MYSTERY HAS LINGrd OVER THESE REMOTE KAYES IN

LINGrd OVER THESE REMOTE KAYES IN EASTERN IDAHO.

REMOTE KAYES IN EASTERN IDAHO. HERE IN 1979 A FAMILY

EASTERN IDAHO. HERE IN 1979 A FAMILY FOUND THE TORSO OF A

HERE IN 1979 A FAMILY FOUND THE TORSO OF A MAN WEARING A WHITE

FOUND THE TORSO OF A MAN WEARING A WHITE SHIRT WITH BLUE

MAN WEARING A WHITE SHIRT WITH BLUE PINSTRIPES AND A

SHIRT WITH BLUE PINSTRIPES AND A MAROON SWEATER.

PINSTRIPES AND A MAROON SWEATER. THE IDENTITY OF THE

MAROON SWEATER. THE IDENTITY OF THE MAN HAS REMAINED A

THE IDENTITY OF THE MAN HAS REMAINED A MYSTERY UNTIL TODAY.

MAN HAS REMAINED A MYSTERY UNTIL TODAY. HIS NAME JOSEPH HENRY

MYSTERY UNTIL TODAY. HIS NAME JOSEPH HENRY LOVELESS, BORN IN

HIS NAME JOSEPH HENRY LOVELESS, BORN IN 1870.

LOVELESS, BORN IN 1870. >> WE HAVE IDENTIFIED

1870. >> WE HAVE IDENTIFIED SOMEONE WHO WAS

>> WE HAVE IDENTIFIED SOMEONE WHO WAS SIGNIFICANTLY LONGER

SOMEONE WHO WAS SIGNIFICANTLY LONGER LAYING IN THAT CAVE

SIGNIFICANTLY LONGER LAYING IN THAT CAVE THAN ANYONE EVER

LAYING IN THAT CAVE THAN ANYONE EVER THOUGHT.

THAN ANYONE EVER THOUGHT. >> Reporter: THE

THOUGHT. >> Reporter: THE ANSWER CAME THROUGH

>> Reporter: THE ANSWER CAME THROUGH GENETIC GENEALOGY,

ANSWER CAME THROUGH GENETIC GENEALOGY, APPLYING INFORMATION.

GENETIC GENEALOGY, APPLYING INFORMATION. GEOLOGISTS

APPLYING INFORMATION. GEOLOGISTS PAINSTAKINGLY BUILT

GEOLOGISTS PAINSTAKINGLY BUILT FAMILY TREES WHICH

PAINSTAKINGLY BUILT FAMILY TREES WHICH POINTED THEM TO

FAMILY TREES WHICH POINTED THEM TO LOVELESS.

POINTED THEM TO LOVELESS. THEY LEARNED HE WAS AN

LOVELESS. THEY LEARNED HE WAS AN OUTLAW WITH MANY

THEY LEARNED HE WAS AN OUTLAW WITH MANY ALIASES WHO REPEATEDLY

OUTLAW WITH MANY ALIASES WHO REPEATEDLY ESCAPED JAIL.

ALIASES WHO REPEATEDLY ESCAPED JAIL. HE WAS APPARENTLY

ESCAPED JAIL. HE WAS APPARENTLY WANTED FOR KILLING HIS

HE WAS APPARENTLY WANTED FOR KILLING HIS SECOND WIFE AGNES.

WANTED FOR KILLING HIS SECOND WIFE AGNES. THEN IN 1916, IT'S

SECOND WIFE AGNES. THEN IN 1916, IT'S BELIEVED LOVELESS WAS

THEN IN 1916, IT'S BELIEVED LOVELESS WAS MURDERED, HIS TORSO

BELIEVED LOVELESS WAS MURDERED, HIS TORSO DISCOVERED 63 YEARS

MURDERED, HIS TORSO DISCOVERED 63 YEARS LATER.

DISCOVERED 63 YEARS LATER. >> THE CASE IS NOT

LATER. >> THE CASE IS NOT GOING TO BE CLOSED

>> THE CASE IS NOT GOING TO BE CLOSED UNTIL WE ACTUALLY

GOING TO BE CLOSED UNTIL WE ACTUALLY SOLVE THE HOMICIDE,

UNTIL WE ACTUALLY SOLVE THE HOMICIDE, WHICH MOST LIKELY

SOLVE THE HOMICIDE, WHICH MOST LIKELY BEING 103 YEARS OLD

WHICH MOST LIKELY BEING 103 YEARS OLD WILL NEVER HAPPEN.

BEING 103 YEARS OLD WILL NEVER HAPPEN. >> Reporter: BUT IF

WILL NEVER HAPPEN. >> Reporter: BUT IF THIS CASE HAS TAUGHT

>> Reporter: BUT IF THIS CASE HAS TAUGHT THEM ANYTHING IT'S