Democratic senatorAmy Klobucharsuggested the vid breaks Xs synthetic and manipulated media policy.
He said that he would be signing a bill in a matter of weeks to outlaw such deepfakes.
Musk endorsed Trump on July 13, in the aftermath of the assassination attempt on his life.
Elon MuskMarc Piasecki/Getty Images
Harris is the presumptive Democratic nominee after Biden dropped out the race last weekend.
Ted Johnson contributed to this report.
