NBA referee Eric Lewis has retired. 

His decision comes a few months after the league opened an investigation into whether he used a "burner" social media account to defend himself from criticism.

The NBA ended its investigation due to Lewis' retirement. According to league policy, officials are restricted from making any public comment about calls made — or not made — in a game without authorization from the NBA.

It remains unclear whether Lewis was using the account under the name "blair cuttliff."

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Lewis, who had worked as an NBA referee nearly two decades, was not selected as an official for this year's NBA Finals due to the ongoing investigation

The Denver Nuggets defeated the Miami Heat in five games to win the title. 

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The social media controversy came to light in May after some now-deleted tweets were revealed by a pair of social media users. The account on Twitter, now known as X, used the handle "blair cuttliff."

If the league determined the account was his, Lewis faced potential discipline for violating league policy.

It appears the social media account in question opened in 2015.

Lewis worked more than 1,200 games, including playoffs, in 19 seasons. 

He last worked May 16, when Denver hosted the Los Angeles Lakers in Game 1 of the Western Conference finals. The reports of the tweets came out about a week later.

The Associated Press contributed to this report.

Prosecutors have dropped all felony charges against an Iowa man who was arrested in 2021 by Chicago police for having guns and ammunition in his hotel room overlooking a popular tourist attraction.

Cook County prosecutors dropped the felony charges against Keegan Casteel on Monday after he pleaded guilty to reckless conduct, a misdemeanor, and was ordered to pay a $500 fine.

The Ankeny, Iowa, man had faced two felony counts of aggravated unlawful use of a weapon, but no evidence was ever produced in court files that Casteel had anything nefarious planned, the Chicago Sun-Times reported.

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Casteel was arrested on July 4, 2021, when a housekeeper found the guns and ammunition in his room at the W Hotel. The weapons — a rifle with a laser sight, a handgun and ammunition — were found on the sill of a 12th-floor window that had a view of Ohio Street Beach and Navy Pier, a major tourist attraction along Lake Michigan.

Police video showed he told officers he "didn’t mean to startle anyone" and simply forgot to remove the firearms from a bag while packing for a trip to the city.

Then-Mayor Lori Lightfoot and the city's then-police superintendent both suggested after his arrest that Casteel, visiting with his family from Iowa, may have intended to fire on Navy Pier crowds.

Casteel said he had packed the guns and ammunition by mistake when he packed quickly the night before making the trip with his girlfriend and his two children and decided to keep the items in his room. He said he had traveled to Chicago to propose to his girlfriend on the Ferris wheel at Navy Pier.

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Among the items police seized during a search of the hotel room was a diamond ring. And Casteel, then 32, proposed to his girlfriend immediately after being released from the Cook County Jail.

His attorney, Jonathan Brayman, told the Chicago Sun-Times on Tuesday that Casteel was questioned by a joint terrorism task force, which eventually cleared him and issued a report saying it had determined he did not pose a threat.

"I think he was very unfairly portrayed by the mayor and police in the media," Brayman said of Casteel.

He said his client, an auto mechanic, was "happy to be putting the case behind him" and "wanted to move forward with his life."