>> Reporter: JESUS CAMPOS IS BREAKING 2.5 WEEKS OF SILENCE,
SPEAKING WITH ELLEN DeGENERES. >> I'M DOING BETTER
EACH DAY. >> Reporter: THE MANDALAY BAY SECURITY
GUARD SAID HE WAS CALLED TO CHECK ON A DOOR ALARM NEAR GUNMAN
STEPHEN PADDOCK'S SUITE. HE TOOK THE STAIRS,
BUT THE DOOR TO THE FLOOR WOULDN'T OPEN, SO HE TOOK A DIFFERENT
ROUTE. >> THERE WAS A METAL BRACKET HOLDING THE
DOOR IN PLACE. IT WAS OUT OF THE ORDINARY.
>> Reporter: CAMPOS SAID HE CALLED FOR AN ENGINEER, THEN STARTED
WALKING DOWN THE HALLWAY WHEN A BARRAGE OF GUNFIRE CAME FROM
PADDOCK'S ROOM. >> AT FIRST I TOOK COVER.
I FELT EYE A -- A BURNING SENSATIONSENSATION. I LIFTED MY PANT LEG
AND SAW THE BLOOD. >> Reporter: THEN STEPHEN SHOCK SHOWED
UP, UNAWARE WHAT WAS HAPPENING. >> JESUS LEANED OUT
AND SAID, "TAKE COVER, TAKE COVER," YELLED AT ME.
WITHIN MILLISECONDS IF HE DIDN'T SAY THAT, I WOULD HAVE GOT HIT.
>> Reporter: AT ONE POINT A FEMALE GUEST CAME OUT OF A
DIFFERENT ROOM. >> I TOLD HER TO GO BACK INSIDE, IT WASN'T
SAFE. >> Reporter: INVESTIGATORS SAY
PADDOCK HAD RIGGED THE HALLWAY WITH CAMERAS. SECONDS LATER HE
OPENED FIRE KILLING 58 AND INJURING MORE THAN 500.
DeGENERES CALLED CAMPOS A HERO. >> YOU BEING SHOT IN
THE LEG SAVED SO MANY PEOPLE'S LIVES. [ CHEERS ]
>> Reporter: ANNOUNCING A SPONSOR IS DONATING $25,000 TO
THE VICTIMS'
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