"If she won't retract her comments in full, I don't see how she can credibly campaign any further," Trump said at an event hosted by the National Guard Association in Maryland.
Clinton, who made the remark at a Friday fundraiser, was referring to Trump voters who hold "racist, sexist, homophobic, xenophobic [and] Islamophobic" views. Though she initially grouped half of Trump's supporters in that camp, she later said she was "grossly generalistic" and "wrong" to do so.
However, Trump has issued blanket attacks on different racial, religious and gender groups throughout his campaign, as well as during his public life before running for president.
Aside expressing "regret" last month for making comments that "may have caused personal pain," he's never personally apologized to any of the groups of Americans he's offended.
So by his own admission Monday, Trump inadvertently disqualified himself from running, too.
Groups Trump has personally attacked include:
Mexican immigrants: Trump called Mexicans "rapists" who "bring crime." He also attacked a judge of Mexican descent, saying Judge Gonzalo Curiel couldn't objectively oversee the Trump University fraud case because of the presidential nominee's plan to "build a wall" along the U.S.-Mexico border. Trump said the wall would make the Mexican-American judge inherently biased against the nominee.
Muslims: Trump has said Muslims "cheered" in New Jersey on 9/11, despite there being no evidence any such celebration occurred. Trump has also proposed a ban that would prohibit Muslims from immigrating to the United States because of terrorism concerns.
The disabled: Trump mocked a disabled New York Times reporter last year.
Women who receive abortions: Trump once said these women deserve "some form of punishment" then later backed off the statement.
"Flat-chested" women: Trump once said such women can't be a "10" on the looks scale.
President Barack Obama: Trump relentlessly questioned Obama's American citizenship, without any evidence. Obama was forced to release his long-form birth certificate to prove Trump's assertions wrong. And while Trump's campaign says the nominee no longer believes Obama is not a citizen, he's never said the words himself or apologized to the President for these attacks.
Similarly, media organizations have chronicled the racist, sexist and Islamaphobic statements Trump supporters make at his raucous campaign rallies across the country.
In a video titled "Unfiltered Voices From Donald Trump's Crowds," the New York Times showed the slurs his supporters have hurled during rallies, including neo-Nazi salutes and racial epithets.
Clinton called on Trump to denounce these groups of supporters in a speech last month in Nevada, but his campaign didn't listen — Trump instead called her attacks "desperate."
"The news reports are that Hillary Clinton is going to try to accuse this campaign, and the millions of decent Americans who support this campaign, of being racists," Trump said before her speech, a pre-emptive rebuttal of her attacks. "It's the oldest play in the Democratic playbook."