ANNOUNCER: The Republicans finally admit it.
REPORTER: Republican Kevin McCarthy, saying the committee investigating Benghazi and Clinton's emails, was created to destroy her candidacy.
KEVIN MCCARTHY: Everyone thought Hillary Clinton was unbeatable, right? But we put together a Benghazi special committee. What are her numbers today?
ANNOUNCER: Republicans have spent millions attacking Hillary, because she's fighting for everything they oppose. From affordable healthcare to equal pay. She'll never stop fighting for you, and the Republicans know it.
CLINTON: I'm Hillary Clinton and I approve this message.