The charge stems from a call Austin police received from a teen girl who said she was paid $500 to have sex with Wilson on August 15, according to an arrest affidavit filed the following week.
A lawyer for Wilson and representatives of the Austin Police Department were not immediately available for comment.
The U.S. Marshals Service, which would likely be responsible for taking Wilson back to the United States, said in a statement it was aware of Wilson's arrest and was "fully engaged with our worldwide partners on this matter". The two allegedly met on sugardaddymeet.com, authorities said. Troy Officer said Wednesday, adding that he didn't know when Wilson left the United States. Wilson's arrest comes roughly a day after that rental agency identified him.
Police said investigators interviewed the girl and on Wednesday obtained a warrant for Wilson's arrest, but he had flown to Taiwan by then.
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Once there, according to the affidavit, the pair left the vehicle with the hotel's valet service and walked together to a room, where they had sex.
Wilson and Defense Distributed, the company he helped found, have been the subject of an ongoing court battle over whether the company should be legally allowed to widely disseminate the blueprints for untraceable, 3D-printed weapons online. They also reviewed surveillance videos and digital valet receipts.
According to the affidavit, the teen said that she and "Sanjuro" texted each other inappropriate pictures. His arrest ends a manhunt that began in Texas after he was accused of sexually assaulting a 16-year-old girl.
EBC reports authorities are planning on returning him to Texas, where he faces a second-degree felony charge of sexual assault.
It is unclear if the 30-year-old activist traveled to avoid charges, but police said Wilson was aware he was being investigated for having sex with a minor. Last month a US judge ordered him not to post the blueprints online.