Washington DC - Klete Keller, the five-time Olympic swimming medalist from the University of Southern California, agreed to a plea bargain Wednesday after facing seven federal charges for participating in the US Capitol riot.

During a hearing in US District Court in Washington, DC, Keller pleaded guilty to a felony count of obstruction of an official proceeding and will cooperate with prosecutors.

"At the time, I acted to affect the government by stopping or delaying the Congressional proceeding, and, in fact, did so," Keller wrote in a statement of offense. "I accomplished this by intimidating or coercing government personnel who were participating in or supporting the Congressional proceeding."

Though the count carries a maximum sentence of 20 years in prison, federal sentencing guidelines for an offense charged at this level call for 21 to 27 months in prison. No date for sentencing has been set.

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Other than being locked up, the consequences of pleading guilty to a felony include losing the rights to vote and own firearms.

Edward MacMahon Jr, Keller's attorney, didn't immediately respond to a request for comment.

Keller (39) quickly became a focal point of public discussion in the riot’s aftermath as one of the best-known participants.

Amid the chaos in the Capitol rotunda on January 6, Townhall Media senior writer Julio Rosas captured the athlete on a video posted to Twitter. He stood out from the crowd thanks to his 6-foot-6 height, beard and distinctive US Olympic team jacket. Word of his appearance quickly spread in swimming circles.

The first public link between Keller and the riot came in a story published January 11 by SwimSwam, a popular outlet for swimming coverage. FBI agents surveilled Keller's home in Colorado Springs, Colorado, the same day, according to a search warrant affidavit unsealed in response to a request by the Los Angeles Times, and he was charged January 13. The video played a key part.

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"At approximately 14 minutes and 38 seconds, (Keller) is still in the Rotunda, and the back of his jacket is again visible," the complaint by FBI Special Agent Matthew Barofsky said. "[Keller] stands taller than a number of individuals around him and can clearly be seen as law enforcement officers repeatedly attempt to remove him and others from the Rotunda."

A day after being charged, Keller turned himself in to authorities in Denver. FBI agents searched his home that afternoon. They seized a black drawstring bag, according to the search warrant return, but nothing else.

"Agents have been informed by at least one person that KELLER may have left his cell phone and jacket in D.C., but your affiant has not been able to confirm that," FBI Special Agent Brandon Kimble wrote in the search warrant affidavit.

In the statement of offense, Keller said he destroyed his phone and memory card that had photos and video from the riot and threw away the Olympic team jacket.

Keller deleted his social media accounts, which associates said had featured a growing number of messages during the previous year supporting then-president Donald Trump, and resigned from the Colorado Springs commercial real estate firm Hoff & Leigh, where he worked as an independent contractor.

In a statement at the time, USA Swimming said Keller's "actions in no way represent the values or mission" of the sport's governing body in the US and noted he hadn't competed since 2008.

A federal grand jury indicted Keller on seven counts in February, including disorderly conduct in a restricted building, civil disorder and obstruction of an official proceeding.

Keller, who has been free on a personal recognizance bond, hasn't made any public statements since the riot beyond brief greetings or responses during court appearances conducted through video conferencing.

"He tells everybody that he's very sorry and he wants to turn it around," Jon Urbanchek, who coached Keller for several years and remains close to him, told the Times earlier this year.

Keller's biography was scrubbed from Hoff & Leigh's website, but Colorado real estate records show he resumed working for the firm in May.