ASSASSINATION ATTEMPT ON FORMER PRESIDENT TRUMP, SECRET SERVICE DIRECTOR KIMBERLY CHEADLE TESTIFIED BEFORE THE HOUSE OVERSIGHT COMMITTEE TODAY.

LAWMAKERS FROM BOTH PARTIES WERE VISIBLY ANGRY WITH HER TESTIMONY.

IT COMES..

RESIGNATION GROW AND THE INVESTIGATIONS INTO THE ..

MULTIPLY.

NICK SCH.. >> THE COMMITTEE WILL COME TO ORDER.

NICK: DURING A BRUISING BIPARTISAN BLOWUP -- >> CUT CORNERS WHEN IT COMES TO PROTECTING ONE OF THE MOST WELL-KNOWN INDIVIDUALS ON THE PLANET.

>> THAT .. NOW, I THINK YOU ARE EVADING THE QUESTION.

NICK: KI.. TIGHTLIPPED DESPITE DEMANDS FROM BOTH PARTIES FOR HER RESIGNATION.

>> I BELIEVE.. RESIGN.

>> BECAU..

ALIVE, AND THANK GOD HE IS, YOU LOOK INCOMPETENT.

IF HE HAD BEEN KILLED, YOU WOULD LOOK CULPABLE.

NICK: IT HAS B..

SINCE THE SECRET SERVICE'S NO SIGNIFICANT FAILURE IN MORE THAN 40 YEARS.

FORMER P.. HIS EAR PIERCED BY BULLETS FIRED FROM A MILITARY STYLE RIFLE FROM 450 FEET AWAY.

SHE CONFIRMED LOCAL LAW ENFORCEMENT PHOTOGRAPHED THE SHOOTER 18 MINUTES BEFORE TRUMP BEGAN BUT THE SECRET SERVICE INITIALLY IDENTIFIED HIM ONLY AS SUSPICIOUS RATHER THAN A THREAT.

ILLINOIS DEMOCRAT ROGER CHRISTIAN.

>> THAT DOESN'..

SUSPICIOUS BEHAVIOR.

THAT LOOKS LIKE THRE..

BEHAVIOR TO ME AND THE RALLY WAS NOT PAUSED AT THAT POINT EITHER, CORRECT?

>> I CAN TELL YO..

EARLIER, SIR, THE MOMENT THAT THE SHIFT SURROUNDING THE PRESIDENT WERE AWARE OF AN ACTUAL THREAT -- >> THAT IS A THREAT RIGHT THERE.

THE GUY IS ON THE ROOF AND EVERYBODY YELLING AT HIM.

NICK: SHE CONFIRMED THAT THE SHOOTER, THOMAS MATTHEW CROOKS, USED A DRONE TO SURVEIL PART OF THE SITE AND BROUGHT EXPLOSIVES AND A DETONATOR.

SHE ALSO SAID SHE APOLOGIZED TO FORMER PRESIDENT TRUMP AND THAT THE BUCK STOPS WITH HER.

>> ON JULY 13, WE FAILED.

AS A DIRECTOR OF THE UNITED STATES SECRET SERVICE, I TAKE FULL RESPONSIBILITY FOR ANY SECURITY LAPSE OF OUR AGENCY.

NICK: BUT SHE DECLINED TO ANSWER MANY QUESTIONS BECAUSE OF MULTIPLE ONGOING INVESTIGATIONS INCLUDING HOW EXACTLY CROOKS GOT ON THE ROOF WITH A DIRECT LINE OF SIGHT OF TRUMP AND KILLED COREY COMPERATORE WHILE HE SHIELDED HIS FAMILY.

ARIZONA REPUBLICAN ANDY BIGGS.

>> WHAT DID THEY DETERMINE WAS GOING TO BE THE EVENT PARAMETERS?

>> I DON'T WANT TO SPEAK..

SPECIFICS.

>> THIS IS.. WANT TO KNOW.

AS SOMEONE WHO SAID THE BUCK STOPS WITH ME, I'M GOING TO STAY AT MY JOB AND GIVE THE ANSWERS TO THE AMERICAN PEOPLE AND I KNOW WHAT HAPPENED, EXCEPT.. YOU ARE NOT GOING TO TELL US.

YOU ARE NOT GOING TO TELL THE AMERICAN PEOPLE.

NICK: SHE REFU..

QUESTIONS ABOUT A TOPIC MULTIPLE DEMOCRATS RATES, CROOKS -- RAISED, CROOKS'S LEGAL ACCESS TO FIREARMS.

>> HOW DID HE ACTU..

ONTO AN UNSECURED PERIMETER WHO FOR DAYS HAD BEEN PLANNING A MASS SHOOTING EVENT?

I THINK THAT, MADAM DIRECTOR, WITH ALL DUE RESPECT, THE ANSWERS THAT WE HAVE RECEIVED HERE IN THIS HEARING TODAY ARE COMPLETELY UNSATISFACTORY.

NICK: SHE INSISTED THE SEC.. SERVICE APPROVED TRUMP CAMPAIGN LAWYER REQUESTS FOR SECURITY AT THE RALLY BUT SHE REFUSED TO SAY WHETHER THE SECRET SERVICE REJECTED PREVIOUS REQUESTS FOR ADDITIONAL SECURITY AS CONFIRMED BY HER SPOKESMAN THIS WEEKEND AND HIGHLIGHTED BY OHIO REPUBLICAN AND JUDICIARY CHAIRMAN JIM JORDAN.

>> WERE YOU GUESSING..

WHEN YOU SAID YOU DID NOT RETURN -- TURN DOWN REQUESTS FROM PRESIDENT TRUMP'S DETAIL?

>> NEITHER, SIR, AND I APPRECIATE THE QUESTION.

>> WHAT WERE YOU DOING?

THOSE STATEMENTS DON'T JIVE.

>> TODAY, THE SECRET SERERCE AGENTS WHO DEFENDED TRUMP BY RISKING THEIR OWN LIVES WERE CALLED HEROES.

THEIR BOSS LEFT THE HEARING AS A VILLAIN.

>> THIS .. FOR ITS BIPARTISAN -- IT'S MODEL OF BIPARTISANSHIP, BUT I THINK TODAY, WE CAME TOGETHER UNANIMOUSLY IN OUR DISAPPOINTMENT FOR YOUR LACK OF ANSWERS.

NICK: FOR THE PBS NEWS HOUR, I AM NICK SCHIFRIN.

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