>> just that it's easy to arm chair quarterback. it's easy to second-guess. that i -- that's partly why i'm here, to explain that there was nothing nefarious done. >> but even fassbender wonders if everything dassey said in the confession was true. >> we didn't try to manipulate brendan. we tried to get at the truth. and i don't believe that it was a false confession. are there parts of it that he may have not done? i don't know. you know, i just don't know. >> in august of 2016, a federal judge weighed in with a bombshell. in response to a brief filed by dassey's attorneys, judge william duffin ruled that brendan dassey's confession was involuntary. with that, the judge overturned his conviction and ordered