Ad Kan's footage of Taayush activist Ezra Nawi led to his arrest by police, as well as that of two other activists, an Israeli and a Palestinian. A draconian gag order meant no details of their cases could be reported for several days.
Nawi is recorded discussing how to foil an attempt by Jewish settlers to deceive a Palestinian landowner into selling his land.
In the film, he says he will report a Palestinian middleman working for the settlers to the Palestinian security forces. He adds that the man will be tortured and killed as a result.
The land seller appears to have been an impostor, part of a plot to entrap Nawi. No evidence has emerged so far that Nawi contacted the Palestinian authorities or that anyone was hurt.
According to his lawyers, he suspected a trap, but mistakenly thought he was being tested on whether he would help settlers to buy land. His statements were designed to prove his solidarity with Palestinians, they say.
This week Israeli courts ignored police requests for the activists' continuing detention in jail and released the three men to house arrest.
Ad Kan's other recording is of a private meeting organized by Breaking the Silence, to which a former senior Israeli diplomat, Alon Liel, was invited.
Liel tells the activists that Israel's political establishment is a "lost cause" and recommends that they shift their struggle to international forums, such as the United Nations.
Ad Kan and other right-wing organizations have hailed the clip as confirmation that human rights groups are traitors, working with foreign powers to damage Israel.
(Note: You can view every article as one long page if you sign up as an Advocate Member, or higher).