The man reportedly made "several real threats" against McCaskill while intoxicated and "belligerent."
The Trump Plaza Casino, his last namesake Atlantic City property, is set for implosion January 29, just days after President-elect Biden's presumptive Inauguration Day.
McCaskill, who lost her U.S. Senate seat to Republican Josh Hawley, said Democrats had alienated some voters because of cultural issues, including gay marriage.
Claire McCaskill noted that during her "first year in the Senate," she had voted on more than 300 legislative amendments. "This year, there's fewer than 30," she said.
"That's banana republic stuff! That is North Korea. That is Russia. That is China. What separates us from the rest of the world ... is our respect for the rule of law," former Senator Claire McCaskill said. "And this guy is trampling all over it!"
"The rhetoric is cheap. Getting results is a lot harder," outgoing Democratic Senator Claire McCaskill said in reference to Ocasio-Cortez.
As the crowd broke into song, President Donald Trump nodded his head along with the words.
Senator Claire McCaskill of Missouri was one of three candidates recently targeted by a notorious Russian hacking unit.
"I am disgusted, disheartened, and I believe Governor Greitens is unfit to lead our state," Wagner said.
Missouri state Senator Maria Chappelle-Nadal blasted white Democrats on the Senate floor Tuesday, saying there's "no difference" between them and members of the Republican Party and called for slavery reparations.
"We would really appreciate it if she would be more careful and show respect to every American voter," Senator Claire McCaskill said.
Although passing a background check is standard procedure at gun stores in Florida, lying on one is a federal crime that is not enforced by state firearm retailers.
The Missouri Senate race is expected to be one of the most hotly contested of the 2018 midterms.
Who is Craig O'Dear?
There is not yet a formal plan, but what has been seen would disproportionately benefit the wealthy.
The militarization of police forces has gotten out of hand, senators tell federal government officials
General Motors Co came under withering attack for its decade-long failure to notify the public about defective parts linked to fatal crashes