An American academic with links to President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE said Friday he was detained and questioned by FBI agents at Logan airport in Boston this week.

Ted Malloch, a regular contributor to the conspiracy theory outlet Infowars, told The Guardian that he was detained by the FBI after flying to Boston from London.

Malloch said the FBI asked him about his involvement in the Trump campaign, his relationship with former campaign adviser Roger Stone Roger Jason StoneOur Constitution is under attack by Attorney General William Barr Justice IG investigating Stone sentencing: report Romney says Trump's protest tweets 'clearly intended to further inflame racial tensions' MORE and if he had ever visited the Ecuadorian embassy in London, where WikiLeaks founder Julian Assange lives.

Stone has been accused of having advance knowledge of WikiLeaks hacking the Democratic National Committee’s emails before the emails were released.

Malloch was also issued a subpoena to testify before special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s grand jury on April 13. The news of his detention and questioning was first reported by InfoWars.

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“I was unfazed and very dubious about why they thought I knew anything,” Malloch told The Guardian in a statement. “I did … find it objectionable to treat me the way they had, as I was entering my home country, where I am a citizen.”

“They did not need to use such tactics or intimidation,” he said. “I was a U.S. patriot and would do anything and everything to assist the government and I had no information that I believed was relevant.”

Malloch once claimed to be Trump’s top pick for U.S. ambassador to the European Union, but The Wall Street Journal reported that he was never being considered. Malloch has been accused in the past of embellishing his biography and accused of making false statements to banks.

Malloch, a vocal critic of the EU, also has a close relationship with former leader of the U.K. Independence Party Nigel Farage, who frequently praises Trump and appeared with him on the campaign trail.