FILE - In this Aug. 9, 2016, file photo, United States' Ryan Lochte checks his time after a men' 4x200-meter freestyle relay heat during the swimming competitions at the 2016 Summer Olympics in Rio de Janeiro, Brazil. The father of the American swimmer said Wednesday, Aug. 17, his son arrived back in the United States before a Brazilian judge ordered that Lochte stay in Brazil as authorities investigate a robbery claim involving the athlete during the Olympics.

Image Credit: (AP Photo/Martin Meissner, File)

RIO DE JANEIRO - Brazilian police said Thursday that swimmer Ryan Lochte and U.S. teammates were not robbed after a night of partying, and that the intoxicated athletes instead vandalized a gas station bathroom and were questioned by armed guards before they paid for the damage and left.

The robbery that was or wasn't has become the biggest spectacle outside of the Olympic venues in Rio, and given American Olympians a black eye in Brazil after an otherwise remarkable run at the Summer Games. The ordeal was also a blow to Brazilians, who for months endured scrutiny about whether a city that has long had problems with violence would be able to keep athletes and tourists safe.

"No robbery was committed against these athletes. They were not victims of the crimes they claimed," Civil Police Chief Fernando Veloso said during an afternoon news conference.

But the police account raised questions about whether it's possible Lochte and the swimmers believed they were victims of a robbery. Lochte's attorney has maintained that one took place and insisted the swimmer had nothing to gain by making the story up. He, as well as Lochte's father and agent, did not return phone calls seeking comment.

The swimmers could potentially face punishment — probation, suspension, a fine or expulsion — under USA Swimming's code of conduct, which prohibits dishonesty or fraud. It was not immediately clear if the organization planned to act. It was also not clear if the swimmers would face criminal charges.

Lochte initially said that he and teammates Jack Conger, Gunnar Bentz and Jimmy Feigen were held at gunpoint and robbed after a night of partying on the final night of Olympic swimming. Police said earlier this week that they couldn't find evidence to substantiate the claim, and a judge ordered the swimmers' passports held as the investigation continued. Lochte had already returned to the U.S. but the others stayed, and Conger and Bentz were pulled off a plane at the Rio airport.

While some details in the official account of the story changed on Thursday — police first said no guns were involved, then backtracked and said two guards pointed weapons in their direction — security video confirmed that the athletes vandalized parts of the gas station, leading to an encounter with station employees.

The closed-circuit video shows one of the swimmers pulling a sign off of a wall and dropping it onto the ground. A gas station worker arrives, and other workers go to inspect the damage. Veloso said the swimmers broke a door, a soap dispenser and a mirror.

The swimmers eventually talk with security guards, who persuade them to walk to another section of the station. Their cab leaves.

As they talk, two of the swimmers put their hands up and all four sit down on a curb. After several minutes, they stand up and appear to exchange something — perhaps cash, as police said — with one of the men.

A police official speaking on condition of anonymity because the investigation was ongoing said two guards pointed guns at the swimmers. Veloso said the guards did not use excessive force and would have been justified in drawing their guns because the athletes "were conducting themselves in a violent way."

A station employee called police, and the guards and employees tried to get the swimmers and the taxi driver to stay until authorities arrived, some even offering to help as an interpreter, Veloso said. But he said the athletes wanted to leave, so paid 100 Brazilian reals (about US $33) and $20 in U.S. currency and left.

Conger and Bentz told authorities after they were taken off the plane that the story of the robbery had been fabricated, said the police official who told the AP about the guns pointed at the swimmers.

Bentz and Conger gave testimony late Thursday. Upon leaving a police station in the upscale neighbourhood of Leblon, they walked through a crowd of dozens of journalists and onlookers without stopping or answering questions. A few people in the crowd shouted at them, calling them "liars" and "shameful."

It was not immediately clear if Feigen, who spoke to police on Sunday, was going to provide give another statement.

Police said the swimmers were unable to provide key details in early interviews, saying they had been intoxicated. The police official said officers grew suspicious when security video showed the swimmers returning to the athletes village and saw them wearing watches, which would have likely been taken in a robbery.

"We got pulled over, in the taxi, and these guys came out with a badge, a police badge, no lights, no nothing just a police badge and they pulled us over," Lochte told NBC's "Today" the morning after the incident. "They pulled out their guns, they told the other swimmers to get down on the ground — they got down on the ground. I refused, I was like we didn't do anything wrong, so — I'm not getting down on the ground.

"And then the guy pulled out his gun, he cocked it, put it to my forehead and he said, 'Get down,' and I put my hands up, I was like 'whatever.' He took our money, he took my wallet — he left my cellphone, he left my credentials."

But Lochte backed off some of those claims as the week went on, saying the taxi wasn't pulled over by men but rather the athletes were robbed after stopping at a gas station. Lochte also said a man pointed a gun toward him, but didn't put the gun to his head.

Authorities said that after the incident, the swimmers did not call police; officers began investigating after they saw news coverage with Lochte's mother speaking about the incident.

Lochte told USA Today that the swimmers didn't initially tell U.S. Olympic officials about the incident because "we were afraid we'd get in trouble."

The debacle prompted both wild speculation and social media mockery, which quickly turned to scorn after the official account went public. #LochteGate was trending on Twitter, with users sharing video footage and posting comments about white privilege and rude Americans.

David Fleischer, a political scientist at the University of Brasilia, said the incident touched a nerve in Brazil because of the country's history of urban violence and cases of people impersonating police and committing crimes.

"The story did have some sense of validity but it didn't bear out and it made them look bad worldwide," he said.

While he's medaled often in the Olympic pool, Lochte's accomplishments have long been overshadowed by teammate Michael Phelps — the most decorated Olympian in history. Lochte won a gold in Rio in a relay race alongside Phelps. He is a 12-time Olympic medallist .

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AP reporters Beth Harris, Chris Lehourites, Pauline Arrillaga and Renata Brito in Rio de Janeiro, and Steve Reed in Charlotte, North Carolina, contributed to this report.

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This story has been corrected to reflect that the lawyer for two of the swimmers is Sergio Riera, not Sergio Viegas.

News from © The Associated Press, 2016