Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) went after Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE Wednesday for employing "conspiracies and lies" in the latest string of attacks directed at the presumptive GOP presidential nominee.

Warren, in a series of tweets, said if Trump "actually believes every stupid lie he reads on the Internet, we’re in for a truckload of trouble if he’s President."

Trump has attacked Warren in the past for her self-proclaimed Native American heritage and has been resurfacing Clinton conspiracy theories in his fight with Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE, including the death of a former Bill Clinton William (Bill) Jefferson ClintonDolly Parton remembers Ginsburg: 'Her voice was soft but her message rang loud' Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Calls grow for Biden to expand election map in final sprint MORE adviser. And on Tuesday a Trump aide accidentally emailed a Politico reporter looking for dirt on the Clintons' Whitewater real estate scandal.

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Warren's Twitter blast was the latest round in a fight with Trump, which started Tuesday night with her going after him over past comments he made looking forward to the housing market crash. Trump later called her a "total hypocrite" and said she profited from buying foreclosed housing.

"I helped family buy their homes and out-of-work construction worker relatives make a living. I’m proud of that," Warren said in a tweet, sharing a video of her Tuesday remarks against Trump.