never saw that from anyone in manitowoc county. >> fassbender says he believes a conspiracy to frameave been virtually impossible to carry out. >> i could go on and on about the planting defense and how absurd this with the multiple agencies we had in their. >> i'm your friend right now. >> but it was that video of brendan dassey, which would really put fassbender at the center of the storm. an interrogation so controversial it might get a breeze nephew out of prison. >> how much of brendan dassey's confession was true? coming up -- >> those officers wanted that information in the worst way, and they got it in the worst way. >> when dateline continues. n dateline continues namaste... ...surprise parties. aww, you guys. dupixent helps prevent asthma attacks... ...for 3!... ...so i can du more of the things i love. dupixent is not for sudden breathing problems. it's an add-on-treatment for specific types of moderate-to-severe asthma that can improve lung function for better breathing in as little as two weeks. and can reduce, or even eliminate, oral steroids. and here's something impor