The television channel that made that documentary didn't simply infiltrate his ministry, the ministry allowed them to follow them.
From their website : Torben Sondergaard mener, at han kan helbrede alt fra gigt til psykisk sygdom – er han kvaksalver eller manden med sandheden? - TV 2
"This is how we created this article
Torben Søndergaard's story is composed of a series of interviews conducted over a period of one and a half years. His conversion is described based on his experiences.
In addition, TV 2 has followed the preacher for a year, just as videos from The Last Reformation's YouTube channel and interviews with Ton Wiersma, the Sternkopf family and Henrik Rindom have been used."
They considered filing a law suit against the television company after the documentary had been aired, but found it impossible based on the contract that they had signed with the television company initially. Søndergaard commented at that time that he felt misled and betrayed.