[2] In 2021 his former wife Ida Marie Hansen published the book Jeg var gift med en bedrager (I was married to a fraudster) about the Malthe-Sørenssen case.
He later worked in Bergens Arbeiderblad, Dagbladet and Se og Hør, and as an editor with Nettavisen and the TV3 television show Etterlyst ("Wanted").
In a 2011 ruling, the commission concluded that Malthe-Sørenssen's claims were based on fraud and turned down Treholt's request to reopen his criminal case for a fourth time.
His alleged source was revealed to be Thor Nord, a used car salesman with past convictions for murder and fraud, with no connection to Treholt, who was paid by Malthe-Sørenssen to impersonate an agent of the Norwegian Intelligence Service.
[25] On 18 June 2018 Malthe-Sørenssen was convicted of aggravated fraud and forgery of documents, and sentenced to three years in prison and to pay his victims over 7 million kr in restitution.