Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.) called President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE “creepy” on Monday for saying he will only make good on his $1 million bet on the senator’s Native American ancestry if he can test her "personally."

“We all know why [Donald Trump] makes creepy physical threats about me, right?” the Massachusetts Democrat asked on Twitter.

“He’s scared. He’s trying to do what he always does to women who scare him: call us names, attack us personally, shrink us down to feel better about himself,” she continued.

“It may soothe his ego – but it won’t work,” the senator added.

We all know why @realDonaldTrump makes creepy physical threats about me, right? He’s scared. He’s trying to do what he always does to women who scare him: call us names, attack us personally, shrink us down to feel better about himself. It may soothe his ego – but it won’t work. pic.twitter.com/2rfPSlvlQA — Elizabeth Warren (@elizabethforma) October 15, 2018

Earlier Monday, Warren released a video showing she took a DNA test that a researcher said "strongly supports" the senator’s claim she has a Native American ancestor.

Her video referenced taunts made by Trump at a campaign rally in July, during which he also said he would pay up if it's proven she is "an Indian."

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"I will give you a million dollars, to your favorite charity, paid for by Trump, if you take the test and it shows you’re an Indian," the president said at the time. "I have a feeling she will say 'no.'”

On Monday, Trump initially denied he ever made the offer then later said that “I’ll only do it if I can test her personally.”