The Tokyo Games were postponed 10 months ago at the outbreak of the coronavirus pandemic, and now the event appears threatened again.
The former Olympic swimmer was recognized in social media videos of the insurrection in part because he wore his Team USA jacket.
The nation is also blocked from bidding to host major sporting events for two years.
Months after his breakup with Miley Cyrus, the singer wrote he was fueled "by the silent fire in my stomach" to return to the sport of his youth.
The committee also announced that the Paris Games will feature 100% gender equality in its athlete quotas.
"Sometimes I slouch, my stomach folds over, my cellulite shows on my butt, or I don’t fill out my swimsuit top just right,” the four-time Olympian said.
The women claim some USA Swimming officials abused them as children while others worked to make sure the abuse stayed hidden.
"I'm not bored. I'm not bored. I'm not bored," the veteran Olympic hurdler joked of her house routine during the coronavirus pandemic.
Prime Minister Shinzo Abe and Olympic officials reached the decision out of concern for the global spread of COVID-19.
An International Olympic Committee official said the 2020 Olympics will be postponed due to the coronavirus pandemic.