Bystander who KILLED Oregon gunman is identified

RACHEL: THE BYSTANDER WHO. HEROICALLY STOPPED A GUNMAN AT. AN ELEMENTARY SCHOOL IN OREGON. HAS BEEN IDENTIFIED AS. AUTHORITIES RELEASE MORE DETAILS. ABOUT THE SHOOTING WHICH LEFT. THREE CHILDREN AND ONE TEACHER. DEAD. CHANLEY PAINTER JOINS US LIVE. WITH MORE ON THESE REALLY TRAGIC. DETAILS. CHANLEY. >> Reporter: HEY, RACHEL. GOOD MORNING. POLICE SAY THE MAN WHO SHOT AND. AND KILLED THE GUNMAN IS.

36-YEAR-OLD KAYLUB GIAMANCO, A. FATHER OF TWO, WHO HAPPENED TO. BE DRIVING BY THE SCHOOL WHEN HE. HEARD THE GUNFIRE AND SPRANG. INTO ACTION. HIS FAMILY SAYING, QUOTE, HE IS. NOT SEEKING RECOGNITION, BUT. INSTEAD WISHES TO EXPRESS HIS. GRATITUDE TO THE FIRST. RESPONDERS, SCHOOL PERSONNEL AND. COMMUNITY FOR THE OUTPOURING OF. LOVE AND SUPPORT. AND IN THE NEWS CONFERENCE LAST. NIGHT, POLICE ALSO SPOTLIGHTING. A HERO TEACHER THEY SAY DID ALL. SHE COULD TO PROTECT HER. STUDENTS. WATCH. >> IN ADDITION TO THE.

36-YEAR-OLD MAN WHO BRAVELY. STEPPED IN TO STOP THE SUSPECT, I WANT TO HIGHLIGHT ANOTHER. PERSON WHOSE HEROIC ACTION WE. NEED TO RECOGNIZE, A TEACHER IN. THE CLASSROOM THREW HER CELL. PHONE AT THE SUSPECT AND THEN. TACKLED HIM AND FOUGHT TO TAKE. THE FIREARM FROM HIM. SHE WAS NOT INJURED IN THAT. INCIDENT, BUT SHE ALMOST. CERTAINLY HELPED PREVENT MORE. BLOOD SHED. >> Reporter: THE SHOOTER, A. 16-YEAR-OLD FORMER STUDENT, MADE. MULTIMILLION ATTEMPTS TO GET. INSIDE SHOOTING THROUGH GLASS. DOORS TO TARGET THE SPECIAL.

NEEDS CLASS ROOM WHERE HE ONCE. WAS A STUDENT. THE SHOT SHOTGUN WAS REPORTEDLY. OWNED BY THE SUSPECT'S MOTHER. THREE BOYS AGES 5, 8 AND911 WERE. KILLED -- 11 -- AS WELL AS A. 25-YEAR-OLD TEACHER. TWO OTHERS WERE ALSO SHOT. A 7-YEAR-OLD IS IN SERIOUS BUT. STABLE CONDITION AND A. 54-YEAR-OLD TEACHER SUFFERED. NON-LIFE-THREATENING INJURIES. ACCORDING TO POLICE. BUT IT'S UNCLEAR IF THAT'S THE. SAME HERO TEACHER WHO TACKLED. THE SHOOTER. IT'S ALSO BEING REPORTED THAT. THE TRAGEDY UNFOLDED ON WHAT WAS.

THE SCHOOL PICTURE DAY FOR THE. CHILDREN. AND THE INVESTIGATION INTO A. POSSIBLE MOTIVE, OF COURSE, REMA.