Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE on Saturday night questioned Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE's loyalty to her husband, Bill Clinton William (Bill) Jefferson ClintonGOP brushes back charges of hypocrisy in Supreme Court fight Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE, a jab at the former president's infidelities.

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"Hillary Clinton's only loyalty is to her financial contributors. I don't even think she's loyal to Bill, if you want to know the truth," he said during a Pennsylvania rally. "Really, folks, why should she be?

"The American people have had it with years and decades of Clinton corruption and scandal. Remember, he got impeached for lying. You remember what he lied about. He can't practice law — he was a lawyer, can't be a lawyer. Everyone forgets."

President Clinton's law license was suspended in Arkansas after he was impeached over lying about his affair with White House intern Monica Lewinsky. While he could apply for reinstatement, he has not done so, according to the Arkansas Times.

Trump then listed off a variety of scandals from Hillary Clinton's past, including Whitewater — an investigation into Clinton's role in a real estate deal — as well as a controversy over the Democratic presidential nominee's investment in cattle futures that made her significant returns.

The Republican presidential nominee and his team emerged from Monday's debate praising his decision for not mentioning Bill Clinton's infidelities.

But since then, he's begun to signal he's open to confronting Hillary Clinton on the issue during the next presidential debate on Oct. 9.