The 89-page submission was given to the attorney-general in late August after months of research, background and expert opinion, Duggan's wife Saffrine said .

"It is the most detailed examination into the allegations against Dan and it revealed glaring errors in process and fact in the US case," she said in a statement on Monday.

Ms Duggan described the case as "vague, embarrassing and oppressive", saying it had omitted key pieces of evidence such as her husband's flight logbook.

While someone could only be extradited for conduct which was a crime in both countries, Ms Duggan said her husband was accused of actions that were only illegal in the US but were "tenuously" linked to legislation enacted in 2018.

"In other words, this was legislated nine months after the US indictment, and six years after Dan’s alleged offences. It is retrospective," she said.

Ms Duggan asked the Attorney-General to look closely at the case and their submission, inviting Mr Dreyfus and Prime Minister Anthony Albanese to talk to her family.

"We pray and respectfully ask the Attorney-General to take the time to properly review this case," she said.

"That he has the strength to make the right decision to allow my husband to come home to me and our children."

Duggan was arrested in Australia in October 2022 at the behest of the US after being accused of breaching arms-trafficking laws by providing military training to Chinese pilots in South Africa between 2010 and 2012.

He allegedly received about $100,000 for his services.

In a prison letter, Duggan said he believed his activities were lawful and the Australian Security Intelligence Organisation and the US Naval Central Intelligence Service knew of his work.

Initially held at Lithgow's maximum-security jail, he was transferred to Macquarie Correctional Centre in June.

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